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Public elementary school · Mill Valley Elementary · Mill Valley, California

Old Mill Elementary

Old Mill Elementary rates 7.4, below most Mill Valley Elementary elementary schools, whose rated median is 8.5.

Elementary schools, 1 to 10This campus against public elementary schools around it that are rated on verified state test data.
7.4this school

7.4 on a one-to-ten scale; the Mill Valley Elementary median is 8.5.

#2,477 of 9,557 schools in California · Mill Valley Elementary: 5 elementary schools rated, median 8.5

The brief

A Mill Valley Elementary elementary school where students score 11 points above what's typical for similar communities.

It ranks 2,477 of 9,557 schools in California and 5 of 6 in Mill Valley Elementary.

Old Mill Elementary is listed in Mill Valley Elementary, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math82%41 points above the California average of 41%2025 CAASPP
Reading89%42 points above the California average of 47%2025 CAASPP
Proficiency has held near 86% across the 17-year record (2009–2025).2025 CAASPP; 38 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
5.6
50% of the rating
Academics
9.4
30% of the rating
Resources & Environment
8.9
20% of the rating
About this school's data1 correction under review · rating: low confidence · 6 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 86% (multi-year average, 2009-2025) · reading/ELA 88% (multi-year average, 2009-2025).

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 · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 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 · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · 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, 2009-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Old Mill Elementary and the 20 nearest elementary schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

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%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94941; this is area context, not an attendance boundary.

Getting around

Walk Score
84
Very Walkable
Bike Score
34
Somewhat Bikeable
City reported crime
846/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Mill Valley. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Mill Valley), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Who goes here

Free or reduced lunch
4%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 9.2Compare →
  2. 8.8Compare →
  3. 8.5Compare →
  4. 8.5Compare →
  5. 8.5Compare →
  6. Cove3.1 mi
    8.2Compare →
  7. 8.0Compare →
  8. Old Mill Elementarythis school
    7.4
  9. 7.1Compare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and seven rate higher than Old Mill Elementary.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

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 #2,477 of 9,557 schools in CA.

What is Old Mill Elementary's MySchoolScout rating?

Old Mill Elementary has a current MySchoolScout rating of 7.4 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 86% math proficiency (multi-year average, 2009-2025) and 88% reading/ELA proficiency (multi-year average, 2009-2025).

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 facts

Grades
Kindergarten – 5th
Enrollment
251
Student-teacher ratio
20.9:1
Teachers (FTE)
12
Type
Regular
Title I
No
Setting
Large Suburb
County
Marin County
Rank in district
#5 of 6
Schools in district
6
District spending per student
$21,244
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.8%
Census SAIPE · 2024
Area population (ZIP 94941)
32,349
Area average commute
27.5 min
Area median age
45.6

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.