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Average

#548 of 1,293 schools in KS

Top 42% in state

Mill Valley High School

High School · De Soto

5900 Monticello Road, Shawnee, KS 66226

Enrollment

1,383

Student-Teacher

16.9:1

Score

6.5

Grades

9th – 12th

Updated 2022-23

How this school compares

In Shawnee

#8 of 18

public schools

Kansas high schools

#132 of 336

In district

#6 of 12

De Soto

About Mill Valley High School

Mill Valley High School serves 1,383 students in grades 9-12 in Shawnee, Kansas, with a student-teacher ratio of 16.9:1 across 82 full-time equivalent teachers. The school ranks #509 out of 1,298 Kansas high schools, placing it in the 61st percentile statewide with a MySchoolScout rating of 6.1 out of 10. Academically, Mill Valley shows solid performance with a 7.4 out of 10 academic score.

Student proficiency rates stand at 41% in English Language Arts and Reading, and 38% in Mathematics across grade levels, indicating opportunities for continued academic growth. The school benefits from its location in an affluent community where 64% of residents hold bachelor's degrees or higher. The surrounding 66226 ZIP code area reflects a highly educated and prosperous community, with a median household income of $162,551 and median home values of $364,800.

The poverty rate is remarkably low at just 1.5%, suggesting students come from economically stable backgrounds that can support their educational endeavors. Mill Valley High School is situated in a large suburban setting in Johnson County, one of Kansas's most desirable areas, providing students with access to both quality educational resources and the cultural amenities of the greater Kansas City metropolitan region.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.6Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.7 pts/yr
Data Period2019–2022
TrendDeclining
Academics6.8Above Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency38%
Reading/ELA Proficiency41%
Overall Proficiency40%
Expected (poverty-adj.)47%
vs. Expected-7.9 pts
Adjusted Percentile54th
College Readiness9.5Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation22.1%
IB ProgramNo
Resources & Environment2.7Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.9:1
Per-Pupil Spending$11,643

Mill Valley High School — Students at Mill Valley High School score 40% proficient, which is below what's typical for similar communities (expected: 47%).

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 EDFACTS (2021-22)

Math Proficiency 40.3%
School
State
N/A
ELA Proficiency 42.7%
School
State
N/A

Based on 6 test records from KS state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
42%
ELA
47%
2021*
Math
41%
ELA
40%
2022
Math
38%
ELA
41%

* 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: 5.6/10.

How Mill Valley High School Compares

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

Overall Score
6.5/10
58th percentile in KS
Academic
6.8/10
6.8/10
Growth
5.6/10
Above average
Environment
2.7/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
9%
Teaching Staff
17:1 student-teacher ratio
82 teachers

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 9.0/10, 1.6 miles away), which scores notably higher. Another option is Mize Elementary School (rated 8.7/10, 2.7 miles away), which scores notably higher. Additionally, Lenexa Hills Elementary (rated 8.7/10, 4.1 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 5.8
Clear Creek Elem Shawnee 0.2 mi 6.2
Prairie Ridge Elementary School Shawnee 0.2 mi 6.3
SACRED HEART SCHOOL Shawnee 0.6 mi 4.9
Horizon Elementary Shawnee 1.6 mi 9.0
Riverview Elementary Shawnee 1.7 mi 5.8
Belmont Elementary School Shawnee 1.4 mi 7.0
Mize Elementary School Shawnee 2.7 mi 8.7
Edwardsville Elem Edwardsville 3.5 mi 7.6
Mill Creek Middle School Lenexa 3.3 mi 5.8
Bonner Springs Elementary Bonner Springs 3.5 mi 6.6
Lenexa Hills Elementary Lenexa 4.1 mi 8.7
Bonner Springs High Bonner Springs 4.0 mi 5.9
Robert E Clark Middle Bonner Springs 4.1 mi 5.9
Manchester Park Elementary Lenexa 4.9 mi 6.7
Canyon Creek Elementary Lenexa 4.8 mi 8.0
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 5.7

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

Community Profile

The community surrounding Mill Valley High School has a median household income of $167,988. It is a well-educated community where 66% of adults hold a bachelor's degree or higher. The median home value in the area is $386,600, with a median rent of $1,261/month. The local poverty rate of 1.9% is relatively low. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Olathe East Sr High Olathe, KS 6.4
Olathe South Sr High Olathe, KS 6.3
Shawnee Mission South High Overland Park, KS 6.7
Sumner Academy of Arts & Science Kansas City, KS 6.7
Lawrence Free State High Lawrence, KS 6.2
Leavenworth Sr High Leavenworth, KS 6.2

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 is ranked #548 out of 1,293 schools in KS.

What is Mill Valley High School's MySchoolScout rating?

Mill Valley High School has a composite rating of 6.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Mill Valley High School?

Based on the most recent state assessment data, Mill Valley High School has 40.3% math proficiency and 42.7% reading/ELA proficiency.

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
54 Bikeable
City Safety
High (2,050/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Shawnee). Data >1 year old.

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
Data Year
2023–2024

District

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

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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