Desert Willow Elementary School vs. Mary C O'brien Elementary School
Should you attend Desert Willow Elementary School or Mary C O'brien Elementary School? Visitors to our site frequently compare these two schools. Compare their rankings, test scores, reviews and more to help you determine which school is the best choice for you.
School Overview
School
Mary C O'brien Elementary School
1400 N Eleven Mile Corner Rd
Casa Grande, AZ 85122
Casa Grande, AZ 85122
Rating
: 10/
Top 5%10
Top Rankings
n/a
Mary C O'brien Elementary School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Student Attention
Overview
Serving 471 students in grades Prekindergarten-8, Desert Willow Elementary School ranks in the top 50% of all schools in Arizona for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 28% (which is lower than the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 38% (which is lower than the Arizona state average of 40%).
The student:teacher ratio of 20:1 is higher than the Arizona state level of 17:1.
Minority enrollment is 67% of the student body (majority Hispanic), which is higher than the Arizona state average of 65% (majority Hispanic).
Serving 120 students in grades Kindergarten-6, Mary C O'brien Elementary School ranks in the top 5% of all schools in Arizona for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 70-74% (which is higher than the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the Arizona state average of 40%).
The student:teacher ratio of 10:1 is lower than the Arizona state level of 17:1.
Minority enrollment is 66% of the student body (majority Hispanic), which is higher than the Arizona state average of 65% (majority Hispanic).
Grades Offered
PK-8
K-6
Total Students
471 students
120 students
![This chart displays total students of Desert Willow Elementary School by year, with the latest 2022-23 school year data. This chart displays total students of Desert Willow Elementary School by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/total_students/131000/130708/desert-willow-elementary-school-chart-bfUaFHL.png)
![This chart displays total students of Mary C O'brien Elementary School by year, with the latest 2022-23 school year data. This chart displays total students of Mary C O'brien Elementary School by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/total_students/3000/2545/mary-c-o-brien-elementary-school-chart-b27esUh.png)
% Male | % Female
52% | 48%
48% | 52%
![This chart displays gender of Desert Willow Elementary School This chart displays gender of Desert Willow Elementary School](http://images3.publicschoolreview.com/charts/gender/131000/130708/desert-willow-elementary-school-chart-UC8d1N.png)
![This chart displays gender of Mary C O'brien Elementary School This chart displays gender of Mary C O'brien Elementary School](http://images3.publicschoolreview.com/charts/gender/3000/2545/mary-c-o-brien-elementary-school-chart-uLjStb.png)
Total Classroom Teachers
23 teachers
12 teachers
![This chart displays the total teachers of Desert Willow Elementary School by year, with the latest 2022-23 school year data. This chart displays the total teachers of Desert Willow Elementary School by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/total_teachers/131000/130708/desert-willow-elementary-school-chart-DBXH1g.png)
![This chart displays the total teachers of Mary C O'brien Elementary School by year, with the latest 2022-23 school year data. This chart displays the total teachers of Mary C O'brien Elementary School by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/total_teachers/3000/2545/mary-c-o-brien-elementary-school-chart-JqHRzQ.png)
Student : Teacher Ratio
20:1
10:1
![This chart displays the student teacher ratio of Desert Willow Elementary School and the public school average student teacher ratio of Arizona by year, with the latest 2022-23 school year data. This chart displays the student teacher ratio of Desert Willow Elementary School and the public school average student teacher ratio of Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/teacher_student_ratio/131000/130708/desert-willow-elementary-school-chart-9QHBq0.png)
![This chart displays the student teacher ratio of Mary C O'brien Elementary School and the public school average student teacher ratio of Arizona by year, with the latest 2022-23 school year data. This chart displays the student teacher ratio of Mary C O'brien Elementary School and the public school average student teacher ratio of Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/teacher_student_ratio/3000/2545/mary-c-o-brien-elementary-school-chart-DCEbfj.png)
Test Scores
Overall Testing Rank
#945 out of 1956 schools in AZ
(Top 50%)
(Top 50%)
#56 out of 1956 schools in AZ
(Top 5%)
(Top 5%)
![This chart displays the overall school rank of Desert Willow Elementary School, with the latest 2021-22 school year data. This chart displays the overall school rank of Desert Willow Elementary School, with the latest 2021-22 school year data.](http://images3.publicschoolreview.com/charts/overall_school_rank/131000/130708/desert-willow-elementary-school-chart-WiHLcT.png)
![This chart displays the overall school rank of Mary C O'brien Elementary School, with the latest 2021-22 school year data. This chart displays the overall school rank of Mary C O'brien Elementary School, with the latest 2021-22 school year data.](http://images3.publicschoolreview.com/charts/overall_school_rank/3000/2545/mary-c-o-brien-elementary-school-chart-jxy8cm.png)
Math Test Scores (% Proficient)
28%
70-74%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Desert Willow Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Arizona by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Desert Willow Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Arizona by year, with the latest 2021-22 school year data.](http://images3.publicschoolreview.com/charts/math_percent/131000/130708/desert-willow-elementary-school-chart-bsEnekO.png)
![This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Mary C O'brien Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Arizona by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Mary C O'brien Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Arizona by year, with the latest 2021-22 school year data.](http://images3.publicschoolreview.com/charts/math_percent/3000/2545/mary-c-o-brien-elementary-school-chart-b2bAcUW.png)
Reading/Language Arts Test Scores (% Proficient)
38%
75-79%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Desert Willow Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Arizona by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Desert Willow Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Arizona by year, with the latest 2021-22 school year data.](http://images3.publicschoolreview.com/charts/rla_percent/131000/130708/desert-willow-elementary-school-chart-bu6FSsx.png)
![This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Mary C O'brien Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Arizona by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Mary C O'brien Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Arizona by year, with the latest 2021-22 school year data.](http://images3.publicschoolreview.com/charts/rla_percent/3000/2545/mary-c-o-brien-elementary-school-chart-4aBA0s.png)
Science Test Scores (% Proficient)
30-34%
≤20%
Students by Grade
Students by Grade
![This chart displays the students of Desert Willow Elementary School by grade. This chart displays the students of Desert Willow Elementary School by grade.](http://images3.publicschoolreview.com/charts/students_by_grade/131000/130708/desert-willow-elementary-school-chart-4mz4rG.png)
![This chart displays the students of Mary C O'brien Elementary School by grade. This chart displays the students of Mary C O'brien Elementary School by grade.](http://images3.publicschoolreview.com/charts/students_by_grade/3000/2545/mary-c-o-brien-elementary-school-chart-bwWhA9m.png)
Kindergarten Students
66
18
Grade 1 Students
63
17
Grade 2 Students
79
16
Grade 3 Students
79
17
Grade 4 Students
77
18
Grade 5 Students
103
18
Grade 6 Students
-
16
Grade 8 Students
2
-
Ungraded Students
2
-
Students by Ethnicity
% American Indian
2%
n/a
![This chart displays the percentage of American Indian students in Desert Willow Elementary School and percentage of American Indian public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of American Indian students in Desert Willow Elementary School and percentage of American Indian public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/american_indian_ethnicity/131000/130708/desert-willow-elementary-school-chart-bhNt1eJ.png)
![This chart displays the percentage of American Indian students in Mary C O'brien Elementary School and percentage of American Indian public school students in Arizona by year, with the latest 2020-21 school year data. This chart displays the percentage of American Indian students in Mary C O'brien Elementary School and percentage of American Indian public school students in Arizona by year, with the latest 2020-21 school year data.](http://images3.publicschoolreview.com/charts/american_indian_ethnicity/3000/2545/mary-c-o-brien-elementary-school-chart-pfCu43.png)
% Asian
1%
n/a
![This chart displays the percentage of Asian students in Desert Willow Elementary School and the percentage of Asian public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of Asian students in Desert Willow Elementary School and the percentage of Asian public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/asian_islander_ethnicity/131000/130708/desert-willow-elementary-school-chart-4lvBas.png)
![This chart displays the percentage of Asian students in Mary C O'brien Elementary School and the percentage of Asian public school students in Arizona by year, with the latest 2019-20 school year data. This chart displays the percentage of Asian students in Mary C O'brien Elementary School and the percentage of Asian public school students in Arizona by year, with the latest 2019-20 school year data.](http://images3.publicschoolreview.com/charts/asian_islander_ethnicity/3000/2545/mary-c-o-brien-elementary-school-chart-dLUyFF.png)
% Hispanic
55%
52%
![This chart displays the percentage of Hispanic students in Desert Willow Elementary School and the percentage of Hispanic public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of Hispanic students in Desert Willow Elementary School and the percentage of Hispanic public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/hispanic_students_ethnicity/131000/130708/desert-willow-elementary-school-chart-YwLMLw.png)
![This chart displays the percentage of Hispanic students in Mary C O'brien Elementary School and the percentage of Hispanic public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of Hispanic students in Mary C O'brien Elementary School and the percentage of Hispanic public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/hispanic_students_ethnicity/3000/2545/mary-c-o-brien-elementary-school-chart-h7QgfM.png)
% Black
4%
2%
![This chart displays the percentage of Black students in Desert Willow Elementary School and the percentage of Black public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of Black students in Desert Willow Elementary School and the percentage of Black public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/black_students_ethnicity/131000/130708/desert-willow-elementary-school-chart-b41zObY.png)
![This chart displays the percentage of Black students in Mary C O'brien Elementary School and the percentage of Black public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of Black students in Mary C O'brien Elementary School and the percentage of Black public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/black_students_ethnicity/3000/2545/mary-c-o-brien-elementary-school-chart-0z6C56.png)
% White
33%
34%
![This chart displays the percentage of White students in Desert Willow Elementary School and the percentage of White public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of White students in Desert Willow Elementary School and the percentage of White public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/white_students_ethnicity/131000/130708/desert-willow-elementary-school-chart-W4rjhT.png)
![This chart displays the percentage of White students in Mary C O'brien Elementary School and the percentage of White public school students in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of White students in Mary C O'brien Elementary School and the percentage of White public school students in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/white_students_ethnicity/3000/2545/mary-c-o-brien-elementary-school-chart-bthMHhq.png)
% Hawaiian
n/a
3%
% Two or more races
5%
9%
![This chart displays the percentage of students of two or more races in Desert Willow Elementary School and the percentage of public school students of two or more races in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of students of two or more races in Desert Willow Elementary School and the percentage of public school students of two or more races in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/two_or_more_races_students_ethnicity/131000/130708/desert-willow-elementary-school-chart-brpdKos.png)
![This chart displays the percentage of students of two or more races in Mary C O'brien Elementary School and the percentage of public school students of two or more races in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of students of two or more races in Mary C O'brien Elementary School and the percentage of public school students of two or more races in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/two_or_more_races_students_ethnicity/3000/2545/mary-c-o-brien-elementary-school-chart-b41TWjK.png)
Diversity Score
0.59
0.61
![This chart displays the diversity score of Desert Willow Elementary School and the public school average diversity score of Arizona by year, with the latest 2022-23 school year data. This chart displays the diversity score of Desert Willow Elementary School and the public school average diversity score of Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/diversity_score/131000/130708/desert-willow-elementary-school-chart-sRWcqa.png)
![This chart displays the diversity score of Mary C O'brien Elementary School and the public school average diversity score of Arizona by year, with the latest 2022-23 school year data. This chart displays the diversity score of Mary C O'brien Elementary School and the public school average diversity score of Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/diversity_score/3000/2545/mary-c-o-brien-elementary-school-chart-bwU5vPB.png)
Additional Information
Eligible for Free Lunch
44%
52%
![This chart displays the percentage of students who is eligible for free lunch in Desert Willow Elementary School and the percentage of public school students who is eligible for free lunch in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for free lunch in Desert Willow Elementary School and the percentage of public school students who is eligible for free lunch in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/freelunch_students/131000/130708/desert-willow-elementary-school-chart-sSaC73.png)
![This chart displays the percentage of students who is eligible for free lunch in Mary C O'brien Elementary School and the percentage of public school students who is eligible for free lunch in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for free lunch in Mary C O'brien Elementary School and the percentage of public school students who is eligible for free lunch in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/freelunch_students/3000/2545/mary-c-o-brien-elementary-school-chart-b0GOSjk.png)
Eligible for Reduced Lunch
10%
10%
![This chart displays the percentage of students who is eligible for reduced lunch in Desert Willow Elementary School and the percentage of public school students who is eligible for reduced lunch in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for reduced lunch in Desert Willow Elementary School and the percentage of public school students who is eligible for reduced lunch in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/reduced_pricelunch_students/131000/130708/desert-willow-elementary-school-chart-00c6ev.png)
![This chart displays the percentage of students who is eligible for reduced lunch in Mary C O'brien Elementary School and the percentage of public school students who is eligible for reduced lunch in Arizona by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for reduced lunch in Mary C O'brien Elementary School and the percentage of public school students who is eligible for reduced lunch in Arizona by year, with the latest 2022-23 school year data.](http://images3.publicschoolreview.com/charts/reduced_pricelunch_students/3000/2545/mary-c-o-brien-elementary-school-chart-pgaZ3i.png)