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Average

#711 of 1,294 schools in KS

Mill Valley High School

High School · De Soto

5900 Monticello Road, Shawnee, KS 66226

Enrollment

1,383

Student-Teacher

16.9:1

Score

6.2

Grades

9th – 12th

Data vintage2022-23

How this school compares

Kansas schools

#711 of 1,294

In Shawnee

#13 of 18

public schools

In district

#11 of 12

De Soto

Academic performance

7.8 / 10

Very Good

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Mill Valley High School

6.2/10

High School in Shawnee · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Monticello Trails Middle School

7.1/10

0.2 mi away. Use as a geographic alternative in the same move search.

Clear Creek Elem

8.8/10

0.2 mi away. Use as a geographic alternative in the same move search.

About Mill Valley High School

Mill Valley High School is a public high school in Shawnee, KS, part of De Soto. Mill Valley High School serves approximately 1,383 students, and covers grades 9th-12th, and has a 16.9:1 student-teacher ratio. Mill Valley High School has a current MySchoolScout rating of 6.2 out of 10 and ranks #711 of 1,294 schools in KS.

Structured state assessment records for Mill Valley High School show 59% math proficiency (multi-year average, 2009-2025) and 62% reading/ELA proficiency (multi-year average, 2009-2025).

How it comparesOn par with district
  • This school 6.2 · Average
  • District avg 6.1
  • KS avg 5.8

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.7Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-3.84 pts/yr
Data Period2009–2025
TrendDeclining
Academics7.8Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency61.8% (2025 KAP)
Reading/ELA Proficiency55.4% (2025 KAP)
Overall Proficiency59% (2025 KAP, Math+ELA)
Expected (poverty-adj.)60% (model expectation from 2025 KAP)
vs. Expected-1.4 pts
Adjusted Percentile67th
College Readiness5.4Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate99%+
AP Participation22.1%
IB ProgramNo
Resources & Environment4.6Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.9:1
Per-Pupil Spending$12,616
Chronic Absenteeism8%

Mill Valley High School — Students at Mill Valley High School score 59% proficient, which is below what's typical for similar communities (expected: 60%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

8.8%

Students qualifying for federal meal assistance

Test Scores KS KAP (2024-25)

Math Proficiency 58.8% (multi-year average, 2009-2025)
School
State
N/A
ELA Proficiency 61.5% (multi-year average, 2009-2025)
School
State
N/A

Based on 30 test records from KS state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
95%
ELA
97%
2010
Math
95%
ELA
96%
2011
Math
95%
ELA
97%
2012
Math
99.5%
ELA
99.5%
2014
Math
46%
ELA
53%
2015
Math
39%
ELA
52%
2016
Math
44%
ELA
55%
2017
Math
41%
ELA
47%
2018
Math
42%
ELA
47%
2019
Math
42%
ELA
47%
2020*
Math
41%
ELA
40%
2021*
Math
41%
ELA
40%
2022
Math
38%
ELA
41%
2025
Math
61.8%
ELA
55.4%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 6.7/10.

How Mill Valley High School Compares

See how Mill Valley High School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.2/10
45th percentile in KS
Academic
7.8/10
Very Good
Growth
6.7/10
Average
Environment
4.6/10
Below Average
AP Courses
4
State avg: 2.4
Sports
4
2 boys' · 2 girls'
Advanced STEM
4/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
9%
Teaching Staff
17:1 student-teacher ratio
82 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
8.0%

Programs & Offerings

AP/IB Programs4 AP courses offered
22.1% participation·State avg: 2.4 AP courses·CRDC 2021-22
Athletics4sports offered
2 boys'·2 girls'·22 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses4 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

5900 Monticello Road, Shawnee, KS 66226

Nearby Alternatives

Families considering Mill Valley High School may also want to explore other high schools in the area. Horizon Elementary (rated 9.1/10, 1.6 miles away), which scores notably higher. Another option is Mize Elementary School (rated 9.1/10, 2.7 miles away), which scores notably higher. Additionally, Canyon Creek Elementary (rated 9.1/10, 4.8 miles away, in nearby Lenexa), which scores notably higher. For more schools in Shawnee, see our Shawnee schools guide .

Nearby Schools

20 within 4.9 mi
School Distance Rating
Monticello Trails Middle School Shawnee 0.2 mi 7.1
Clear Creek Elem Shawnee 0.2 mi 8.8
Prairie Ridge Elementary School Shawnee 0.2 mi 8.9
SACRED HEART SCHOOL Shawnee 0.6 mi 4.9
Horizon Elementary Shawnee 1.6 mi 9.1
Riverview Elementary Shawnee 1.7 mi 8.7
Belmont Elementary School Shawnee 1.4 mi 9.0
Mize Elementary School Shawnee 2.7 mi 9.1
Edwardsville Elem Edwardsville 3.5 mi 7.9
Mill Creek Middle School Lenexa 3.3 mi 6.4
Bonner Springs Elementary Bonner Springs 3.5 mi 7.1
Lenexa Hills Elementary Lenexa 4.1 mi 8.7
Bonner Springs High Bonner Springs 4.0 mi 5.1
Robert E Clark Middle Bonner Springs 4.1 mi 5.5
Manchester Park Elementary Lenexa 4.9 mi 8.2
Canyon Creek Elementary Lenexa 4.8 mi 9.1
MIDLAND ADVENTIST ACADEMY Shawnee 4.1 mi 8.2
MARANATHA CHRISTIAN ACADEMY Shawnee 4.3 mi 7.6
MARANATHA CHRISTIAN ACADEMY Shawnee 4.3 mi 7.6
Christa McAuliffe Elem Lenexa 4.9 mi 8.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 66226 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$167,988

Median Home Value

$386,600

Median Rent

$1,261/mo

Population

16,189

College Educated

66%

Homeownership

86.3%

Avg Commute

22.7 min

Poverty Rate

1.9%

Median Age

34.8

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Hutchinson High School Hutchinson, KS 6.3
Shawnee Mission East High Prairie Village, KS 6.3
KAPAUN MT CARMEL CATHOLIC HIGH SCHOOL Wichita, KS 6.0
Olathe East Sr High Olathe, KS 6.4
Olathe West High School Olathe, KS 6.4
De Soto High School De Soto, KS 5.9

Frequently Asked Questions

Common questions about Mill Valley High School

What grades does Mill Valley High School serve?

Mill Valley High School serves students in grades 9th through 12th.

How many students attend Mill Valley High School?

Mill Valley High School has an enrollment of approximately 1,383 students.

What is the student-teacher ratio at Mill Valley High School?

The student-teacher ratio at Mill Valley High School is 16.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mill Valley High School rank in KS?

Mill Valley High School ranks #711 of 1,294 schools in KS.

What is Mill Valley High School's MySchoolScout rating?

Mill Valley High School has a current MySchoolScout rating of 6.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Mill Valley High School?

Based on loaded state assessment records, Mill Valley High School has 59% math proficiency (multi-year average, 2009-2025) and 62% reading/ELA proficiency (multi-year average, 2009-2025).

Is Mill Valley High School a charter school?

No, Mill Valley High School is not a charter school. It is a traditional public school operated by the local school district.

Is Mill Valley High School a Title I school?

No, Mill Valley High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mill Valley High School?

8.8% of students at Mill Valley High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
22 Car-Dependent
Bike Score
56 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,383
Student-Teacher Ratio
16.9:1
Teachers (FTE)
82
Free/Reduced Lunch
8.8%
Type
regular
Setting
Large Suburb
County
Johnson County
Chronic Absenteeism (SY 2022-23)
8.0%
4-Year Graduation
99%+

District

De Soto
District Enrollment
7,364
Schools in District
13
Per-Pupil Spending
$12,616
District Rank
#11 of 12

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