Excellent
#617 of 9,539 schools in CA
Top 7% in state
Del Mar Middle
Middle School · Reed Union Elementary · Tiburon, CA
A Reed Union Elementary middle school where students score 5 points above what's typical for similar communities.
105 Avenida Miraflores, Tiburon, CA 94920
- Math 75% vs CA 34% (2024)
- Reading 78% vs CA 47% (2024)
- 11.6:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Del Mar Middle score 77% proficient, which is above what's typical for similar communities (expected: 71%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is down 12 points across the 16-year record (2009–2024) and has held near 77% recently.
Show all 14 years
Multi-year averages used by the rating model: math 80% (multi-year average, 2009-2024) · reading/ELA 85% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 34 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
5.5%
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 Del Mar Middle 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 15Car-Dependent
- Bike 34Somewhat Bikeable
- City Safety: Elevated1,166/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Tiburon), 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
$238,304
Median home value
$2,000,001
Median rent
$3,501/mo
College educated
80.4%
Homeownership
73%
Poverty rate
2.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94920; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
3 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Mill Valley MiddleEnrollment path unverified | 8.7 | 6–8 | 2.6 mi | 757 | Compare → |
| North Bridge AcademyPrivate · tuition | 6.0private | 2–8 | 3.6 mi | 68 | Compare → |
| Hall MiddleEnrollment path unverified | 8.5 | 6–8 | 4.1 mi | 443 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Reed Union Elementary
- Schools in district
- 3
- Rank in district
- #1 of 3
- District spending per student
- $24,998NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 6.0%Census SAIPE · 2024
Del Mar Middle is listed in Reed Union Elementary; a district label does not verify attendance for an address.
About Del Mar Middle
Del Mar Middle is a public middle school in Tiburon, CA, part of Reed Union Elementary, serving approximately 361 students in grades 6th-8th with a 11.6:1 student-teacher ratio. It holds a MySchoolScout rating of 8.7 out of 10 and ranks #617 of 9,539 schools in CA. State assessment records show 80% math proficiency (multi-year average, 2009-2024) and 85% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Del Mar Middle
What grades does Del Mar Middle serve?
Del Mar Middle serves students in grades 6th through 8th.
How many students attend Del Mar Middle?
Del Mar Middle has an enrollment of approximately 361 students.
What is the student-teacher ratio at Del Mar Middle?
The student-teacher ratio at Del Mar Middle is 11.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Del Mar Middle rank in CA?
Del Mar Middle ranks #617 of 9,539 schools in CA.
What is Del Mar Middle's MySchoolScout rating?
Del Mar Middle has a current MySchoolScout rating of 8.7 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 Del Mar Middle?
Based on loaded state assessment records, Del Mar Middle has 80% math proficiency (multi-year average, 2009-2024) and 85% reading/ELA proficiency (multi-year average, 2009-2024).
Is Del Mar Middle a charter school?
No, Del Mar Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Del Mar Middle a Title I school?
No, Del Mar Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Del Mar Middle?
5.5% of students at Del Mar Middle 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
- 6th – 8th
- Enrollment
- 361
- Student-Teacher Ratio
- 11.6:1
- Teachers (FTE)
- 31
- Type
- regular
- Setting
- Large Suburb
- County
- Marin County
- Chronic Absenteeism (SY 2022-23)
- 19.1%
- Phone
- (415) 435-1468
- Area population (ZIP 94920)
- 12,682
- Area average commute
- 30.2 min
- Area median age
- 50.6
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 94920; 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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