Excellent
#153 of 9,539 schools in CA
Top 2% in state
Old Mill Elementary
Elementary School · Mill Valley Elementary · Mill Valley, CA
A Mill Valley Elementary elementary school where students score 13 points above what's typical for similar communities.
352 Throckmorton Ave., Mill Valley, CA 94941
- Math 84% vs CA 39% (2024)
- Reading 87% vs CA 45% (2024)
- 20.9:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Old Mill Elementary score 85% proficient, which is above what's typical for similar communities (expected: 72%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency has held near 85% across the 16-year record (2009–2024).
Show all 12 years
Multi-year averages used by the rating model: math 87% (multi-year average, 2009-2024) · reading/ELA 88% (multi-year average, 2009-2024)
Based on 30 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
4%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Old Mill Elementary sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 84Very Walkable
- Bike 34Somewhat Bikeable
- City Safety: Elevated1,120/100K
FBI Uniform Crime Reporting · 2024 · city context (Mill Valley), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$210,217
Median home value
$1,990,100
Median rent
$2,949/mo
College educated
76.9%
Homeownership
66.6%
Poverty rate
5.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94941; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| North Bridge AcademyPrivate · tuition | Not rated | 2–8 | 0.4 mi | 95 | Compare → |
| Marin Horizon SchoolPrivate · tuition | Not rated | K–8 | 0.8 mi | 169 | Compare → |
| Marin Horizon SchoolPrivate · tuition | 7.5private | PK–8 | 0.8 mi | 185 | Compare → |
| Park ElementaryEnrollment path unverified | 8.9 | K–5 | 0.9 mi | 266 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Mill Valley Elementary
- Schools in district
- 6
- Rank in district
- #1 of 6
- District spending per student
- $21,244NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 4.8%Census SAIPE · 2024
Old Mill Elementary is listed in Mill Valley Elementary; a district label does not verify attendance for an address.
About Old Mill Elementary
Old Mill Elementary is a public elementary school in Mill Valley, CA, part of Mill Valley Elementary, serving approximately 251 students in grades Kindergarten-5th with a 20.9:1 student-teacher ratio. It holds a MySchoolScout rating of 9.2 out of 10 and ranks #153 of 9,539 schools in CA. State assessment records show 87% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 5th
- Enrollment
- 251
- Student-Teacher Ratio
- 20.9:1
- Teachers (FTE)
- 12
- Type
- regular
- Setting
- Large Suburb
- County
- Marin County
- Chronic Absenteeism (SY 2022-23)
- 18.3%
- Phone
- (415) 389-7727
- Area population (ZIP 94941)
- 32,349
- Area average commute
- 27.5 min
- Area median age
- 45.6
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94941; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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