Excellent
#153 of 9,539 schools in CA
Top 2% in state
Old Mill Elementary
Elementary School · Mill Valley Elementary
352 Throckmorton Ave., Mill Valley, CA 94941
Enrollment
251
Student-Teacher
20.9:1
Score
9.2
Grades
Kindergarten – 5th
Enrollment
251
Student-Teacher
20.9:1
Score
9.2
Grades
Kindergarten – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#153 of 9,539
In Mill Valley
#1 of 7
public schools
In district
#1 of 6
Mill Valley Elementary
Equity
9.8 / 10
Excellent
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Old Mill Elementary
Elementary School in Mill Valley · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.
North Bridge Academy
0.4 mi away. Use as a geographic alternative in the same move search.
Marin Horizon School
0.8 mi away. Use as a geographic alternative in the same move search.
About Old Mill Elementary
Old Mill Elementary is a public elementary school in Mill Valley, CA, part of Mill Valley Elementary. Old Mill Elementary serves approximately 251 students, and covers grades Kindergarten-5th, and has a 20.9:1 student-teacher ratio. Old Mill Elementary has a current MySchoolScout rating of 9.2 out of 10 and ranks #153 of 9,539 schools in CA.
Structured state assessment records for Old Mill Elementary show 87% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 9.2 · Excellent
- District avg 8.9
- CA avg 6.2
What Parents Should Know
Old Mill Elementary runs 20.9:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Old Mill Elementary — Students at Old Mill Elementary score 85% proficient, which is above what's typical for similar communities (expected: 72%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 30 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.2/10.
How Old Mill Elementary Compares
See how Old Mill Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
352 Throckmorton Ave., Mill Valley, CA 94941
Nearby Alternatives
Families considering Old Mill Elementary may also want to explore other elementary schools in the area. Park Elementary (rated 8.9/10, 0.9 miles away), with a very similar rating. Another option is Neil Cummins Elementary (rated 8.6/10, 2.3 miles away, in nearby Corte Madera), with a comparable rating. Additionally, Edna Maguire Elementary (rated 7.9/10, 1.5 miles away), a more accessible option. For more schools in Mill Valley, see our Mill Valley schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| NORTH BRIDGE ACADEMY Mill Valley | 0.4 mi | 6.0 |
| North Bridge Academy Mill Valley | 0.4 mi | — |
| Marin Horizon School Mill Valley | 0.8 mi | — |
| MARIN HORIZON SCHOOL Mill Valley | 0.8 mi | 7.5 |
| Park Elementary Mill Valley | 0.9 mi | 8.9 |
| Mill Valley Middle Mill Valley | 1.5 mi | 8.7 |
| MOUNT TAMALPAIS SCHOOL Mill Valley | 1.6 mi | 6.9 |
| Mount Tamalpais School Mill Valley | 1.6 mi | — |
| Terra Marin School Mill Valley | 1.8 mi | — |
| THE HELIX SCHOOL Mill Valley | 1.5 mi | — |
| Tamalpais High Mill Valley | 1.6 mi | 7.9 |
| Edna Maguire Elementary Mill Valley | 1.5 mi | 7.9 |
| OAc San Francisco Larkspur | 1.9 mi | — |
| Chronos Academy Lakspur | 1.9 mi | — |
| TERRA MARIN SCHOOL Mill Valley | 1.7 mi | 7.9 |
| MARIN PRIMARY & MIDDLE SCHOOL Larkspur | 1.9 mi | 7.2 |
| ST PATRICK SCHOOL Larkspur | 2.2 mi | 7.2 |
| Neil Cummins Elementary Corte Madera | 2.3 mi | 8.6 |
| Tamiscal High (Alternative) Larkspur | 2.5 mi | 4.8 |
| Hall Middle Larkspur | 2.6 mi | 8.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94941 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$210,217
Median Home Value
$1,990,100
Median Rent
$2,949/mo
Population
32,349
College Educated
76.9%
Homeownership
66.6%
Avg Commute
27.5 min
Poverty Rate
5.4%
Median Age
45.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Arroyo San Carlos, CA | 9.2 |
| Brainard Elementary Lake View Terrace, CA | 9.2 |
| City Terrace Elementary Los Angeles, CA | 9.2 |
| Del Mar Heights Elementary Del Mar, CA | 9.2 |
| ICEF Vista Elementary Academy Los Angeles, CA | 9.2 |
| Muir (John) Elementary San Francisco, CA | 9.2 |
Frequently Asked Questions
Common questions about Old Mill Elementary
What grades does Old Mill Elementary serve?
Old Mill Elementary serves students in grades Kindergarten through 5th.
How many students attend Old Mill Elementary?
Old Mill Elementary has an enrollment of approximately 251 students.
What is the student-teacher ratio at Old Mill Elementary?
The student-teacher ratio at Old Mill Elementary is 20.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Old Mill Elementary rank in CA?
Old Mill Elementary ranks #153 of 9,539 schools in CA.
What is Old Mill Elementary's MySchoolScout rating?
Old Mill Elementary has a current MySchoolScout rating of 9.2 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 Old Mill Elementary?
Based on loaded state assessment records, Old Mill Elementary has 87% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).
Is Old Mill Elementary a charter school?
No, Old Mill Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Old Mill Elementary a Title I school?
No, Old Mill Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Old Mill Elementary?
4.0% of students at Old Mill Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 251
- Student-Teacher Ratio
- 20.9:1
- Teachers (FTE)
- 12
- Free/Reduced Lunch
- 4.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Marin County
- Chronic Absenteeism (SY 2022-23)
- 18.3%
- Phone
- (415) 389-7727
Resources & Links
District
Mill Valley Elementary- District Enrollment
- 2,282
- Schools in District
- 6
- Per-Pupil Spending
- $21,244
- District Rank
- #1 of 6
Other Schools in This District
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