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What's one thing Mill Valley Middle gets right about preparing students for what comes next?
Community prompt from u/allk12. Replies below.
Enrollment
721
Middle
DISTRICT 385 · STATE 659
SCHOOL COMMUNITY·MILL VALLEY ELEMENTARY·NCES 062487003712
Mill Valley Middle
425 Sycamore Ave., Mill Valley, CA 94941 · (415) 389-7711 · Marin County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL721 STUDENTS
A
allk12 Grade
Scored higher than 93% of California public middle schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- A-Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public middle schools
Student : Teacher
15.7:1
46 FTE teachers
DISTRICT 19.9:1 · STATE 20.7:1
Free / Reduced Lunch
6%
45 students
DISTRICT 5% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 221 | 31% |
| Grade 7 | 249 | 35% |
| Grade 8 | 251 | 35% |
Student demographics
45%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 47% · STATE 62% · US 70%
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
School pathway
Feeds from
Based on grade levels within Mill Valley Elementary. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
81.7%
CA avg 49.1% . -2.3pp since 2014
Math
74.8%
CA avg 37.7% . -0.3pp since 2014
What this means: On the CAASPP, California's statewide test, about 82 of every 100 students at this school read and write at grade level and about 75 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 2 points since 2014, while math scores have held steady.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 38.7% | 43.0% | 14.1% | 4.2% |
| Math | 51.2% | 23.5% | 16.7% | 8.6% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 81.7% | 74.8% |
| 2023-24 | 81.9% | 75.8% |
| 2022-23 | 78.4% | 70.8% |
| 2021-22 | 76.8% | 67.3% |
| 2018-19 | 84.8% | 77.3% |
| 2017-18 | 84.7% | 75.5% |
| 2016-17 | 80.5% | 73.3% |
| 2015-16 | 83.0% | 77.0% |
| 2014-15 | 84.0% | 75.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
78.4%
composite math + reading, all grades
Predicted
75.9%
based on CA schools with similar FRL share
Beats by
+2.6pp
above demographic expectation
What this means: About 78% of students here test proficient in math and reading, compared with the roughly 76% typical for California 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 California'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 Middle
Mill Valley Middle's state test result (78.4% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mill Valley Middle this school | 721 | 6.2% | 78.4% |
| White Hill Middle Fairfax | 601 | 12.0% | 69.7% |
| Marina Village Middle El Dorado Hills | 750 | 12.9% | 69.8% |
| Hermosa Valley Elementary Hermosa Beach | 589 | 8.8% | 74.5% |
| Stone Valley Middle Alamo | 586 | 8.4% | 67.2% |
| Diegueno Middle Encinitas | 737 | 16.0% | 69.4% |
Matched among California middle 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 Middle ranks
Among middle schools| Measure | This school | In California | In Marin County |
|---|---|---|---|
| State test proficiency ranked highest first | 78.4% | #47 of 1,224 | #2 of 10 |
| Math proficiency ranked highest first | 74.8% | #60 of 1,227 ▼ 14 | #3 of 10 ▼ 2 |
| Reading proficiency ranked highest first | 81.7% | #56 of 1,227 ▼ 11 | #2 of 10 ▼ 1 |
| 3-year test score change ranked biggest gain first | +6.2pp | #235 of 1,214 | #2 of 10 |
| Enrollment ranked largest first | 721 | #563 of 1,377 | #2 of 10 |
| Students per teacher ranked fewest first | 15.7:1 | #43 of 1,279 | #3 of 9 |
| Diversity index ranked most diverse first | 45.0% | #753 of 1,278 | #8 of 9 |
| Free and reduced lunch ranked highest share first | 6.2% | #1,315 of 1,329 | #9 of 10 |
| Enrollment change since 2017-18 ranked steepest decline first | -31.3% | #108 of 930 | #2 of 9 |
Ranked against other public middle 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 2024-25Enrollment
721
-220 (-23%) vs 2020
+27% since 1990-91, when it was 569
Student : Teacher
15.7:1
was 17.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 721 | 46.1 | 15.7:1 | 6% (45) |
| 2023-24 | 757 | 48.4 | 15.7:1 | 7% (55) |
| 2022-23 | 797 | 49.5 | 16.1:1 | 8% (64) |
| 2020-21 | 941 | 55 | 17.1:1 | 6% (57) |
| 2017-18 | 1,050 | 53.2 | 19.7:1 | 6% (63) |
| 2015-16 | 1,066 | 54 | 19.7:1 | 5% (58) |
| 2010-11 | 766 | N/A | N/A | 4% (27) |
| 2000-01 | 761 | 46 | 16.5:1 | 1% (9) |
| 1990-91 | 569 | 27 | 21.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mill Valley Middle.
Since 2017-18: students down 31% (1,050 to 721); teachers down 13% (53.2 to 46.1).
About Mill Valley Middle
Mill Valley Middle, located in Mill Valley, California, is a mid-sized middle school. The school enrolls 721 students in grades 6 through 8.
Mill Valley Elementary enrolls 2,309 students in 6 schools, including Mill Valley Middle.
More than half of enrollment at Mill Valley Middle is White: 72%. The remaining shares are 11% multiracial, 10% Hispanic, and 6% Asian. Measured by the diversity index, the student body scores 45%.
For every teacher at Mill Valley Middle, there are about 15.7 students; the school has 46.1 full-time-equivalent teachers. The average for middle schools in California, 20.7:1, is higher. There are 45 students eligible for free or reduced-price lunch, 6% of enrollment. Compared with the 35% average for public schools in Marin County, the school's rate is lower.
Among California public middle schools, Mill Valley Middle outscored 93%, which works out to an A on the allk12 Grade.
Given its share of students eligible for free or reduced-price lunch, Mill Valley Middle would be expected to post about 75.9%. Its actual average proficiency rate across its state test results is 78.4%.
For the population of Marin County, median household income comes to about $149,091, 61% of adults hold a bachelor's degree or higher, and about 4% of residents live below the federal poverty line. Marin County counts 75 public schools with about 29,867 students.
Mill Valley Middle's nearest public school is Tamalpais High (about 0.4 miles). Inside a five-mile radius, there are at least 8 other public schools. Mill Valley Middle is 5th of 9 nearby schools by average proficiency rate.
The NCES locale for Mill Valley Middle is Suburb: Large, which covers schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
In 2020-21, Mill Valley Middle enrolled 941 students. By 2024-25, that number had fallen to 721. Staffing shifted too: the ratio moved from 17.1:1 to 15.7:1.
This community page is for conversations about open houses, carpools, and field trips. Teachers and staff are welcome to share updates too.
Marin County at a glance
View full county profilePopulation
257,969
Census ACS
Median income
$149,091
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
75
29,867 students
Quick facts
Related schools
Other schools in Mill Valley Elementary
- Edna Maguire ElementaryElementary · 399 students
- Tamalpais Valley ElementaryElementary · 368 students
- Park ElementaryElementary · 301 students
- Old Mill ElementaryElementary · 261 students
- Strawberry Point ElementaryElementary · 259 students
Other schools in Mill Valley
- Tamalpais HighHigh · 1,470 students
- Edna Maguire ElementaryElementary · 399 students
- Tamalpais Valley ElementaryElementary · 368 students
- Park ElementaryElementary · 301 students
- Old Mill ElementaryElementary · 261 students
- Strawberry Point ElementaryElementary · 259 students
Nearby schools
- Tamalpais High0.4 mi · 1,470
- Park Elementary0.6 mi · 301
- Edna Maguire Elementary0.8 mi · 399
- Strawberry Point Elementary1.3 mi · 259
- Old Mill Elementary1.5 mi · 261
- Tamalpais Valley Elementary1.6 mi · 368
Frequently asked questions
About Mill Valley MiddleHow large is Mill Valley Middle?
Mill Valley Middle enrolls approximately 721 students in grades 06-08.
What grades does Mill Valley Middle serve?
Mill Valley Middle serves grades 06-08.
How many students per teacher at Mill Valley Middle?
Approximately 15.7:1 students per teacher at Mill Valley Middle.
How diverse is Mill Valley Middle?
Mill Valley Middle reports a student body of 72% White, 10% Hispanic, 1% Black, 6% Asian, 11% Two or more.
What district is Mill Valley Middle in?
Mill Valley Middle is part of Mill Valley Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.