Serving 1,383 students in grades 9-12, Mill Valley High School ranks in the top 50% of all schools in Kansas for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 38% (which is higher than the Kansas state average of 29%). The percentage of students achieving proficiency in reading/language arts is 41% (which is higher than the Kansas state average of 32%).
The student:teacher ratio of 17:1 is higher than the Kansas state level of 13:1.
Minority enrollment is 20% of the student body (majority Hispanic and Black), which is lower than the Kansas state average of 39% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,383 students
- Student:Teacher Ratio: 17:1
- Minority Enrollment: 20%
- Graduation Rate: 98% (Top 1% in KS)
- Overall Testing Rank: Top 50%
- Math Proficiency: 38% (Top 50%)
- Reading Proficiency: 41% (Top 50%)
- Science Proficiency: 39% (Top 50%)
- Source: National Center for Education Statistics (NCES), KS Dept. of Education
Top Rankings
Mill Valley High School ranks among the top 20% of public schools in Kansas for:
Category
Attribute
Graduation Rate
School Overview
Mill Valley High School's student population of 1,383 students has stayed relatively flat over five school years.
The teacher population of 83 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,383 students
Gender %
Total Classroom Teachers
83 teachers
Students by Grade
School Rankings
Mill Valley High School ranks within the top 50% of all 1,280 schools in Kansas (based off of combined math and reading proficiency testing data).
The diversity score of Mill Valley High School is 0.35, which is less than the diversity score at state average of 0.57. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#417 out of 1280 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
38%
29%
Reading/Language Arts Test Scores (% Proficient)
41%
32%
Science Test Scores (% Proficient)
39%
31%
Student : Teacher Ratio
17:1
13:1
American Indian
n/a
1%
Asian
3%
3%
Hispanic
8%
22%
Black
5%
7%
White
80%
61%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
98%
89%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
7%
42%
Eligible for Reduced Lunch
2%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), KS Dept. of Education
Frequently Asked Questions
What is Mill Valley High School's ranking?
Mill Valley High School is ranked #417 out of 1,280 schools, which ranks it among the top 50% of public schools in Kansas.
What percent of students have achieved state testing proficiency in math and reading?
38% of students have achieved math proficiency (compared to the 29% KS state average), while 41% of students have achieved reading proficiency (compared to the 32% KS state average).
What is the graduation rate of Mill Valley High School?
The graduation rate of Mill Valley High School is 98%, which is higher than the Kansas state average of 89%.
How many students attend Mill Valley High School?
1,383 students attend Mill Valley High School.
What is the racial composition of the student body?
80% of Mill Valley High School students are White, 8% of students are Hispanic, 5% of students are Black, 4% of students are Two or more races, and 3% of students are Asian.
What is the student:teacher ratio of Mill Valley High School?
Mill Valley High School has a student ration of 17:1, which is higher than the Kansas state average of 13:1.
What grades does Mill Valley High School offer ?
Mill Valley High School offers enrollment in grades 9-12
What school district is Mill Valley High School part of?
Mill Valley High School is part of De Soto School District.
School Reviews
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