Enrollment
721
California · 2024-25 NCES data
Middle school (grades 6-8) · Mill Valley, CA
Mill Valley Middle
Federal NCES profile for Mill Valley Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 062487003712
👥 S:T ratio 41
🌟 Gifted program 30
🎓 Counselors 52
📋 Attendance 64
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mill Valley Middle earns 47/100 on the Resource Investment Index, with class sizes smaller than 90% of California schools.
- #1 of 7
- public schools in Mill Valley · Resource Index
- 47
- Resource Index · Typical
- 14.7:1
- small classes for California
- 7.9%
- free-lunch eligible
Mill Valley Middle has class sizes smaller than 90% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mill Valley Middle ranks #1 of 7 public schools in Mill Valley, CA.
School address
District: Mill Valley Elementary · California
NCES ID 062487003712 Verify on NCES CCD record →
Teachers (FTE)
49.0
Federal CCD staff survey
Students per teacher
14.7:1
vs 21.5:1 California avg
-32% vs state
Free-lunch eligible
7.9%
vs 55.5% California avg
-86% vs state
Student-teacher ratio in context
How Mill Valley Middle compares with California and U.S. medians
What stands out at Mill Valley Middle
Mill Valley Middle is a lower-poverty, mid-sized middle school in Mill Valley, California, enrolling 721 students.
Classes run notably small here: at 14.7:1, Mill Valley Middle is leaner than roughly 90% of California schools and 32% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 7.9% free-meal eligibility runs 86% below the California average.
Enrollment of 721 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 725 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #90.
Its student body is led by White (73%) and Two or More (11%) (diversity index 45/100).
Counselor coverage is strong, about 240 students per counselor, inside the American School Counselor Association's recommended 250:1.
14.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Mill Valley Elementary spends $20,856 per pupil, 26% above the California average, a better-resourced district than most.
Mill Valley Elementary also operates Edna Maguire Elementary (399 students) and Tamalpais Valley Elementary (368 students) alongside Mill Valley Middle.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mill Valley Middle compares
Mill Valley Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.7:1 | ▼ 32% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 7.9% | ▼ 86% | 55.5% | 51.7% |
| Enrollment | 721 | top 22% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.7:1
Leaner classes than 50% of US schools, a middle-of-the-pack class size.
721
Bigger than 81% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
7.9%
free-lunch eligible
- 86% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.7:1
students per teacher
- 32% below state mean
Top 10% in California - lower ratio than 90% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
14.4%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$20,856
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 240 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 14 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 72.5%
Two or More 10.7%
Hispanic or Latino 10.0%
Asian 5.8%
African American 0.7%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 72.5% of enrollment.
Student-body diversity index 45.0/100
Simpson diversity index - at 45.0, Mill Valley Middle is about as mixed as the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Mill Valley Elementary, which includes Mill Valley Middle.
$20,856
Per student
+26%
vs California
Avg $16,509
+26%
vs U.S.
Avg $16,593
Revenue mix
Local 83.8%
State 12.7%
Federal 3.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Mill Valley Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Edna Maguire Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Tamalpais Valley Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Park Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Old Mill Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Strawberry Point Elementary | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mill Valley Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 399
- Students per teacher
- 19:1
- Resource Index
- 37/100
- Enrollment
- 368
- Students per teacher
- 21.6:1
- Resource Index
- 39/100
- Enrollment
- 301
- Students per teacher
- 25.1:1
- Resource Index
- 36/100
- Enrollment
- 261
- Students per teacher
- 21.8:1
- Resource Index
- 45/100
- Enrollment
- 259
- Students per teacher
- 21.6:1
- Resource Index
- 42/100
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~721 students)
Next steps
Verify locally before acting on Mill Valley Middle's federal record.
- Compare Mill Valley Middle against another school. Compare schools
- Mill Valley Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Mill Valley Middle
How many students attend Mill Valley Middle?
Mill Valley Middle has 721 students enrolled. It is a middle school in Mill Valley, CA.
What is the student-teacher ratio at Mill Valley Middle?
The student-teacher ratio at Mill Valley Middle is 14.7:1, which is 32% lower than the California average of 21.5:1 and 6% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mill Valley Middle?
7.9% of students at Mill Valley Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mill Valley Middle?
The largest demographic group at Mill Valley Middle is White at 72.5% of enrollment, in Mill Valley, CA.
What is the Resource Investment Index for Mill Valley Middle?
Mill Valley Middle has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mill Valley Middle rank among public schools in Mill Valley?
By Resource Investment Index, Mill Valley Middle ranks #1 of 7 public schools in Mill Valley, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mill Valley on the city page.
Is Mill Valley Middle a good school?
Mill Valley Middle earns 47/100 on the Resource Investment Index, with class sizes smaller than 90% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Mill Valley Elementary?
Besides Mill Valley Middle, Mill Valley Elementary also operates Edna Maguire Elementary (399 students), Tamalpais Valley Elementary (368 students), and Park Elementary (301 students). See the Mill Valley Elementary district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.