How does Mill Valley Middle compare to other middle schools in Mill Valley?

Mill Valley Middle has a SchoolScope composite score of 66.6/100, placing it at the 94th percentile statewide. 45% of students exceed standard, with a total of 1,382 students tested across grades and subjects.

What percentage of students exceed standards at Mill Valley Middle?

44.9% of students at Mill Valley Middle exceed the state standard on CAASPP assessments, while 78.0% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Mill Valley Middle improving or declining?

Based on CAASPP data, Mill Valley Middle's proficiency rate increases by 6.7 percentage points from Grade 6 to grade 8 growth. This suggests the school may be adding value over time.

What is the chronic absenteeism rate at Mill Valley Middle?

7.3% of students at Mill Valley Middle are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Mill Valley Middle

Middle School

Mill Valley Elementary Mill ValleyMarin County94941

📍 425 Sycamore Avenue

Composite Score

out of 100

State Percentile

of middle schools

State Rank

of 1,714 California middle schools

🚀

Growth Engine

A growth engine — students gain measurably more here than at peer schools.

Composite scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

757 students

Student-Teacher Ratio

16:1

Free/Reduced Lunch

Teachers

48 full-time

Dashboard indicators

ELA Year-over-Year

Increased

+5.3 pts DFS change

Math Year-over-Year

Maintained

+2.2 pts DFS change

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic10.3%

White72.7%

Asian4.6%

Black0.4%

Other12.0%

Performance breakdown

Performance breakdown for Mill Valley Middle
Category	Percentage
Exceeded Standard	44.9%
Met Standard	33.1%
Below Standard	22.0%

What other rankings don't show you

Most rating sites report "78% proficient" for Mill Valley Middle and stop there. Here's what that number hides:

44.9% of students exceeded standard while 33.1% met it. That exceeded rate is 27.6 points above the state average of 17.3%. That's 10.0 points below the Mill Valley Elementary district average of 55.0%. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

Students here improve by 6.7 percentage points from Grade 6 to grade 8 growth, suggesting the school is adding value beyond what students arrive with.

California's Dashboard shows ELA performance increased and Math maintained year-over-year.

Chronic absenteeism is 7.3%, better than the state average of 19.3%.

Why the exceeded vs. met split matters →

Key metrics

% Exceeded Standard

44.9%

Students scoring above proficient

% Met or Above

78.0%

Students meeting standard

Growth (G6→G8)

+6.7pp

Change in proficiency rate

Chronic Absenteeism

7.3%

Students missing 10%+ of days

Suspension Rate

5.7%

Students suspended at least once

Total Tested

1,382

Across all grades & subjects

Grade trajectory

ELA Trajectory

G6 → G7 → G8

Math Trajectory

G6 → G7 → G8

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	214	40.2%	38.8%	14.9%	6.1%	79.0%
7th	239	38.1%	46.9%	13.0%	2.1%	84.9%
8th	240	37.9%	42.9%	14.6%	4.6%	80.8%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	214	46.7%	20.1%	20.1%	13.1%	66.8%
7th	240	46.7%	31.7%	17.5%	4.2%	78.3%
8th	235	60.0%	18.3%	12.8%	8.9%	78.3%

K-12 Feeder PathBoundary data

Elementary

Park Elementary

76.098th pctile

Strawberry Point Elementary

75.898th pctile

Tamalpais Valley Elementary

74.698th pctile

Old Mill Elementary

72.597th pctile

Edna Maguire Elementary

70.294th pctile

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Middle

Mill Valley Middle

66.694th pctile

This school

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High School

No feeder data available for this level

Feeder patterns derived from 2015-16 NCES attendance boundary data. Boundaries may have changed. Contact your school district for current information.