Alpha Cornerstone Academy Preparatory vs. Rocketship Mosaic Elementary School
Should you attend Alpha Cornerstone Academy Preparatory or Rocketship Mosaic 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
Top Rankings
Alpha Cornerstone Academy Preparatory ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Rocketship Mosaic Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Overview
Serving 520 students in grades Kindergarten-8, Alpha Cornerstone Academy Preparatory ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 61% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the California state average of 47%).
The student:teacher ratio of 22:1 is equal to the California state level of 22:1.
Minority enrollment is 98% of the student body (majority Asian), which is higher than the California state average of 79% (majority Hispanic and Asian).
Serving 565 students in grades Kindergarten-5, Rocketship Mosaic Elementary School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 58% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 55% (which is higher than the California state average of 47%).
The student:teacher ratio of 35:1 is higher than the California state level of 22:1.
Minority enrollment is 98% of the student body (majority Asian), which is higher than the California state average of 79% (majority Hispanic).
Grades Offered
K-8
K-5
Total Students
520 students
565 students
![This chart displays total students of Alpha Cornerstone Academy Preparatory by year, with the latest 2022-23 school year data. This chart displays total students of Alpha Cornerstone Academy Preparatory by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/total_students/141000/141069/alpha-cornerstone-academy-preparatory-chart-6edBU0.png)
![This chart displays total students of Rocketship Mosaic Elementary School by year, with the latest 2022-23 school year data. This chart displays total students of Rocketship Mosaic Elementary School by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/total_students/141000/141070/rocketship-mosaic-elementary-school-chart-j0JbUg.png)
% Male | % Female
47% | 53%
50% | 50%
![This chart displays gender of Alpha Cornerstone Academy Preparatory This chart displays gender of Alpha Cornerstone Academy Preparatory](http://images2.publicschoolreview.com/charts/gender/141000/141069/alpha-cornerstone-academy-preparatory-chart-2tqWwf.png)
![This chart displays gender of Rocketship Mosaic Elementary School This chart displays gender of Rocketship Mosaic Elementary School](http://images1.publicschoolreview.com/charts/gender/141000/141070/rocketship-mosaic-elementary-school-chart-uLkb9Y.png)
Total Classroom Teachers
24 teachers
16 teachers
![This chart displays the total teachers of Alpha Cornerstone Academy Preparatory by year, with the latest 2022-23 school year data. This chart displays the total teachers of Alpha Cornerstone Academy Preparatory by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/total_teachers/141000/141069/alpha-cornerstone-academy-preparatory-chart-byL7IdT.png)
![This chart displays the total teachers of Rocketship Mosaic Elementary School by year, with the latest 2022-23 school year data. This chart displays the total teachers of Rocketship Mosaic Elementary School by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/total_teachers/141000/141070/rocketship-mosaic-elementary-school-chart-fEQwmS.png)
Student : Teacher Ratio
22:1
35:1
![This chart displays the student teacher ratio of Alpha Cornerstone Academy Preparatory and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data. This chart displays the student teacher ratio of Alpha Cornerstone Academy Preparatory and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/teacher_student_ratio/141000/141069/alpha-cornerstone-academy-preparatory-chart-uKOMeT.png)
![This chart displays the student teacher ratio of Rocketship Mosaic Elementary School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data. This chart displays the student teacher ratio of Rocketship Mosaic Elementary School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/teacher_student_ratio/141000/141070/rocketship-mosaic-elementary-school-chart-4lJGgr.png)
Test Scores
Overall Testing Rank
#1489 out of 9602 schools in CA
(Top 20%)
(Top 20%)
#1911 out of 9602 schools in CA
(Top 20%)
(Top 20%)
![This chart displays the overall school rank of Alpha Cornerstone Academy Preparatory, with the latest 2021-22 school year data. This chart displays the overall school rank of Alpha Cornerstone Academy Preparatory, with the latest 2021-22 school year data.](http://images2.publicschoolreview.com/charts/overall_school_rank/141000/141069/alpha-cornerstone-preparatory-chart-fCQn29.png)
![This chart displays the overall school rank of Rocketship Mosaic Elementary School, with the latest 2021-22 school year data. This chart displays the overall school rank of Rocketship Mosaic Elementary School, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/overall_school_rank/141000/141070/rocketship-mosaic-elementary-school-chart-SympBU.png)
Math Test Scores (% Proficient)
61%
58%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Alpha Cornerstone Academy Preparatory and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California 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 Alpha Cornerstone Academy Preparatory and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.](http://images2.publicschoolreview.com/charts/math_percent/141000/141069/alpha-cornerstone-preparatory-chart-ODIVSD.png)
![This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Rocketship Mosaic Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California 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 Rocketship Mosaic Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/math_percent/141000/141070/rocketship-mosaic-elementary-school-chart-qS8tPU.png)
Reading/Language Arts Test Scores (% Proficient)
62%
55%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Alpha Cornerstone Academy Preparatory and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California 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 Alpha Cornerstone Academy Preparatory and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.](http://images2.publicschoolreview.com/charts/rla_percent/141000/141069/alpha-cornerstone-preparatory-chart-7LnukP.png)
![This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Rocketship Mosaic Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California 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 Rocketship Mosaic Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/rla_percent/141000/141070/rocketship-mosaic-elementary-school-chart-w530Jk.png)
Science Test Scores (% Proficient)
40-44%
≤20%
Students by Grade
Students by Grade
![This chart displays the students of Alpha Cornerstone Academy Preparatory by grade. This chart displays the students of Alpha Cornerstone Academy Preparatory by grade.](http://images2.publicschoolreview.com/charts/students_by_grade/141000/141069/alpha-cornerstone-academy-preparatory-chart-bfWTLrq.png)
![This chart displays the students of Rocketship Mosaic Elementary School by grade. This chart displays the students of Rocketship Mosaic Elementary School by grade.](http://images1.publicschoolreview.com/charts/students_by_grade/141000/141070/rocketship-mosaic-elementary-school-chart-UCPkkh.png)
Kindergarten Students
53
104
Grade 1 Students
59
99
Grade 2 Students
59
102
Grade 3 Students
60
110
Grade 4 Students
60
111
Grade 5 Students
62
39
Grade 6 Students
67
-
Grade 7 Students
61
-
Grade 8 Students
39
-
Students by Ethnicity
% American Indian
n/a
n/a
% Asian
61%
49%
![This chart displays the percentage of Asian students in Alpha Cornerstone Academy Preparatory and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Asian students in Alpha Cornerstone Academy Preparatory and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/asian_islander_ethnicity/141000/141069/alpha-cornerstone-academy-preparatory-chart-b6tR6nw.png)
![This chart displays the percentage of Asian students in Rocketship Mosaic Elementary School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Asian students in Rocketship Mosaic Elementary School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/asian_islander_ethnicity/141000/141070/rocketship-mosaic-elementary-school-chart-F5chP6.png)
% Hispanic
31%
47%
![This chart displays the percentage of Hispanic students in Alpha Cornerstone Academy Preparatory and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Hispanic students in Alpha Cornerstone Academy Preparatory and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/hispanic_students_ethnicity/141000/141069/alpha-cornerstone-academy-preparatory-chart-pfI8MR.png)
![This chart displays the percentage of Hispanic students in Rocketship Mosaic Elementary School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Hispanic students in Rocketship Mosaic Elementary School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/hispanic_students_ethnicity/141000/141070/rocketship-mosaic-elementary-school-chart-W3VxNe.png)
% Black
2%
1%
![This chart displays the percentage of Black students in Alpha Cornerstone Academy Preparatory and the percentage of Black public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Black students in Alpha Cornerstone Academy Preparatory and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/black_students_ethnicity/141000/141069/alpha-cornerstone-academy-preparatory-chart-BJwBSs.png)
![This chart displays the percentage of Black students in Rocketship Mosaic Elementary School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Black students in Rocketship Mosaic Elementary School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/black_students_ethnicity/141000/141070/rocketship-mosaic-elementary-school-chart-OWnJxd.png)
% White
2%
2%
![This chart displays the percentage of White students in Alpha Cornerstone Academy Preparatory and the percentage of White public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of White students in Alpha Cornerstone Academy Preparatory and the percentage of White public school students in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/white_students_ethnicity/141000/141069/alpha-cornerstone-academy-preparatory-chart-b41F9o7.png)
![This chart displays the percentage of White students in Rocketship Mosaic Elementary School and the percentage of White public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of White students in Rocketship Mosaic Elementary School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/white_students_ethnicity/141000/141070/rocketship-mosaic-elementary-school-chart-qYMd2M.png)
% Hawaiian
n/a
n/a
% Two or more races
4%
1%
![This chart displays the percentage of students of two or more races in Alpha Cornerstone Academy Preparatory and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students of two or more races in Alpha Cornerstone Academy Preparatory and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/two_or_more_races_students_ethnicity/141000/141069/alpha-cornerstone-academy-preparatory-chart-wDLn7n.png)
![This chart displays the percentage of students of two or more races in Rocketship Mosaic Elementary School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students of two or more races in Rocketship Mosaic Elementary School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/two_or_more_races_students_ethnicity/141000/141070/rocketship-mosaic-elementary-school-chart-SI3EVd.png)
Diversity Score
0.53
0.54
![This chart displays the diversity score of Alpha Cornerstone Academy Preparatory and the public school average diversity score of California by year, with the latest 2022-23 school year data. This chart displays the diversity score of Alpha Cornerstone Academy Preparatory and the public school average diversity score of California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/diversity_score/141000/141069/alpha-cornerstone-academy-preparatory-chart-W4FxAN.png)
![This chart displays the diversity score of Rocketship Mosaic Elementary School and the public school average diversity score of California by year, with the latest 2022-23 school year data. This chart displays the diversity score of Rocketship Mosaic Elementary School and the public school average diversity score of California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/diversity_score/141000/141070/rocketship-mosaic-elementary-school-chart-2sU9B4.png)
Additional Information
Eligible for Free Lunch
45%
57%
![This chart displays the percentage of students who is eligible for free lunch in Alpha Cornerstone Academy Preparatory and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for free lunch in Alpha Cornerstone Academy Preparatory and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/freelunch_students/141000/141069/alpha-cornerstone-academy-preparatory-chart-wEafeZ.png)
![This chart displays the percentage of students who is eligible for free lunch in Rocketship Mosaic Elementary School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for free lunch in Rocketship Mosaic Elementary School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/freelunch_students/141000/141070/rocketship-mosaic-elementary-school-chart-0zXUPX.png)
Eligible for Reduced Lunch
8%
11%
![This chart displays the percentage of students who is eligible for reduced lunch in Alpha Cornerstone Academy Preparatory and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for reduced lunch in Alpha Cornerstone Academy Preparatory and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.](http://images2.publicschoolreview.com/charts/reduced_pricelunch_students/141000/141069/alpha-cornerstone-academy-preparatory-chart-uLbG2Z.png)
![This chart displays the percentage of students who is eligible for reduced lunch in Rocketship Mosaic Elementary School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for reduced lunch in Rocketship Mosaic Elementary School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/reduced_pricelunch_students/141000/141070/rocketship-mosaic-elementary-school-chart-LlekRD.png)