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SCHOOL COMMUNITY·DE SOTO·NCES 200549001723

Mill Valley High School

5900 Monticello Road, Shawnee, KS 66226 · (913) 422-4351 · Johnson County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,432 STUDENTS
Enrollment
1,432
High
DISTRICT 792 · STATE 410
Student : Teacher
15.8:1
90 FTE teachers
DISTRICT 14.3:1 · STATE 11.9:1
Free / Reduced Lunch
11%
153 students
DISTRICT 19% · STATE 51%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 937926%
Grade 1036125%
Grade 1136125%
Grade 1233123%
Student demographics
37%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 38% · STATE 58% · US 70%
White
1,12779%
DISTRICT 78% · STATE 60% · US 43%
Hispanic
1027%
DISTRICT 10% · STATE 23% · US 30%
Black
725%
DISTRICT 4% · STATE 7% · US 15%
Asian
554%
DISTRICT 2% · STATE 3% · US 6%
Two+
685%
DISTRICT 5% · STATE 6% · US 5%
Native American
60%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
20%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
76253%
Female
67047%

Discussions

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Test scores

KAP 2024-25 . % Meeting + Exceeding
English Language Arts
55.4%
KS avg 44.5%
Math
61.8%
KS avg 38.8%

What this means: On the KAP, Kansas's statewide test, about 55 of every 100 students at this school read and write at grade level and about 62 of 100 do math at grade level. Across all Kansas schools, those numbers are about 45 and 39.

KAP results by year

School yearEnglish Language ArtsMath
2024-2555.4%61.8%
2023-2450.0%42.7%
% Meeting + Exceeding, all students and all tested grades. Kansas set new KAP cut scores in spring 2025, so results from 2023-24 and earlier are not comparable with later years.
Source: KAP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
49.4%
composite math + reading, all grades
Predicted
57.1%
based on KS schools with similar FRL share
Beats by
-7.7pp
below demographic expectation

What this means: About 49% of students here test proficient in math and reading, compared with the roughly 57% typical for Kansas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Kansas's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Mill Valley High School

Mill Valley High School's state test result (49.4% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mill Valley High School this school1,43210.7%49.4%
Shawnee Mission East High
Prairie Village
1,73712.7%45.7%
Olathe Northwest High School
Olathe
1,95814.6%44.1%
Spring Hill High School
Spring Hill
1,12117.4%44.0%
Andover Central High School
Andover
88622.1%36.5%
Olathe South Sr High
Olathe
1,77821.5%34.1%
Matched among Kansas high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Mill Valley High School ranks

Among high schools
MeasureThis schoolIn KansasIn Johnson County
State test proficiency
ranked highest first
49.4%#7 of 262#5 of 19
Math proficiency
ranked highest first
61.8%#12 of 262#6 of 19
Reading proficiency
ranked highest first
55.4%#22 of 262#6 of 19
Enrollment
ranked largest first
1,432#32 of 332#14 of 20
Students per teacher
ranked fewest first
15.8:1#147 of 172#18 of 19
Diversity index
ranked most diverse first
36.9%#81 of 172#16 of 19
Free and reduced lunch
ranked highest share first
10.7%#261 of 263#17 of 19
Enrollment change since 2017-18
ranked fastest growth first
+4.8%#54 of 75N/A
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,432
+113 (+9%) vs 2020
+168% since 2000-01, when it was 535
Student : Teacher
15.8:1
was 15.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,43290.415.8:111% (153)
2023-241,38382.516.8:19% (122)
2022-231,3558116.7:17% (94)
2020-211,3198315.9:15% (63)
2017-181,3678615.9:17% (95)
2015-161,3668416.3:19% (124)
2010-111,0977315.0:19% (95)
2000-015353814.1:14% (20)
Source: NCES Common Core of Data. Rows are the federal collections on file for Mill Valley High School.

Since 2017-18: students up 5% (1,367 to 1,432); teachers up 5% (86 to 90.4).

About Mill Valley High School

Federal records list Mill Valley High School as a high school in Shawnee, Kansas. The school serves 1,432 students in grades 9 through 12 in 2024-25. The average among high schools in Kansas is roughly 410 students; this school is 249% above that.

Mill Valley High School is among 13 schools run by De Soto, which serves 7,067 students.

Mill Valley High School is 79% White by enrollment. Beyond that, enrollment is 7% Hispanic, 5% Black, 5% multiracial, and 4% Asian. The White share in Johnson County as a whole is similar, at about 79%. Mill Valley High School's diversity index is 37%, against a US figure of 70%.

A ratio of 15.8:1 comes from the school's 90.4 full-time-equivalent teachers. The school has more students per teacher than the 11.9:1 average for high schools in Kansas. The lunch program counts 11% of students at Mill Valley High School as eligible for free or reduced-price meals. Among public schools in Johnson County, the average eligibility rate is 27%.

Predicted from its free or reduced-price lunch share, Mill Valley High School would score about 57.1%. It scores 49.4%, 7.7 points below that figure.

Federal survey data for Johnson County show that the median household income is $109,208, about 58% of adults have at least a bachelor's degree, and roughly 3% of residents are in poverty. Johnson County is home to 168 public schools and about 93,598 public school students.

Monticello Trails Middle School is the public school closest to Mill Valley High School, about 0.2 miles away. There are at least 8 other public schools within five miles. Ranking the closest schools with test data puts Mill Valley High School at 8th of 9.

Mill Valley High School is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, a location NCES labels Suburb: Large.

The school enrolled 1,432 students in 2024-25, 113 more than the 1,319 it had in 2020-21.

Conversations here can range across enrollment questions, class placement, and PTA news. Reviews and ratings from people who know the school are welcome.

Johnson County at a glance

View full county profile
Population
620,631
Census ACS
Median income
$109,208
Household, ACS
Bachelor's+
58%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
168
93,598 students

Quick facts

School name
Mill Valley High School
District
De Soto
Address
5900 Monticello Road, Shawnee, KS 66226
Phone
(913) 422-4351
County
Johnson County
Level
High
Grade range
09–12
Total enrollment
1,432
Teachers (FTE)
90
Student–teacher ratio
15.8:1
Free and reduced lunch
153 (11%)
Locale
21-Suburb: Large
NCES ID
200549001723
Charter school
No
Virtual school
No

Related schools

Other schools in De Soto
Other schools in Shawnee
Nearby schools

Frequently asked questions

About Mill Valley High School
How many students attend Mill Valley High School?
Mill Valley High School enrolls approximately 1,432 students in grades 09-12.
Is Mill Valley High School an elementary, middle, or high school?
Mill Valley High School is a high school covering grades 09-12.
How many teachers does Mill Valley High School have?
Mill Valley High School employs 90 FTE teachers, for a student-to-teacher ratio of 15.8:1.
How diverse is Mill Valley High School?
Mill Valley High School reports a student body of 79% White, 7% Hispanic, 5% Black, 4% Asian, 5% Two or more.
Who oversees Mill Valley High School?
Mill Valley High School is overseen by De Soto in Johnson County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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