Very Good
#1915 of 9,533 schools in CA
Top 20% in state
Del Mar Middle
Middle School · Reed Union Elementary
105 Avenida Miraflores, Tiburon, CA 94920
Enrollment
361
Student-Teacher
11.6:1
Score
7.7
Grades
6th – 8th
Enrollment
361
Student-Teacher
11.6:1
Score
7.7
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Tiburon
#2 of 3
public schools
California middle schools
#225 of 1,349
In district
#2 of 3
Reed Union Elementary
School environment
9.9 / 10
Exceptional
About Del Mar Middle
Del Mar Middle serves 361 students in grades 6-8 in the affluent community of Tiburon, California. This regular public school maintains an intimate learning environment with a student-teacher ratio of 11.6:1 and 31 full-time equivalent teachers. The school demonstrates exceptional academic performance, earning a 9.5 out of 10 rating from MySchoolScout and ranking #49 out of 9,566 schools statewide, placing it in the 100th percentile.
Students consistently achieve strong results, with 78% scoring proficient or above in English Language Arts and 75% meeting proficiency standards in mathematics across all grade levels. Del Mar Middle operates within one of Marin County's most educated communities, where 79% of residents hold bachelor's degrees or higher. The school's 94920 ZIP code reflects considerable economic advantages, with a median household income of $216,096 and median home values reaching $2,000,001.
The low poverty rate of just 2.2% among the area's 12,906 residents creates a stable foundation for educational success. Located at 105 Avenida Miraflores, Del Mar Middle sits in a large suburban setting that combines the natural beauty of the San Francisco Bay Area with the resources and educational priorities of an highly educated, professionally accomplished community.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Del Mar Middle — Students at Del Mar Middle score 77% proficient, which is above what's typical for similar communities (expected: 72%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
5.5%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 12 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.3/10.
How Del Mar Middle Compares
See how Del Mar Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 81% (2019) to 74.93% (2024). Reading/ELA proficiency has declined from 86% (2019) to 78.63% (2024).
Location
105 Avenida Miraflores, Tiburon, CA 94920
Nearby Alternatives
Families considering Del Mar Middle may also want to explore other middle schools in the area. Tamalpais Valley Elementary (rated 9.3/10, 2.9 miles away, in nearby Mill Valley), which scores notably higher. Another option is Strawberry Point Elementary (rated 8.9/10, 1.3 miles away, in nearby Mill Valley), which scores notably higher. Additionally, Dr. Martin Luther King Jr. Academy (rated 8.9/10, 2.3 miles away, in nearby Sausalito), which scores notably higher. For more schools in Tiburon, see our Tiburon schools guide .
Nearby Schools
20 within 2.9 mi| School | Distance | Rating |
|---|---|---|
| ST HILARY SCHOOL Tiburon | 0.5 mi | 6.8 |
| Bel Aire Elementary Tiburon | 1.0 mi | 7.4 |
| Reed Elementary Tiburon | 1.3 mi | 7.9 |
| Strawberry Point Elementary Mill Valley | 1.3 mi | 8.9 |
| MARIN COUNTRY DAY SCHOOL Corte Madera | 1.8 mi | 6.2 |
| Marin Country Day School Corte Madera | 1.9 mi | — |
| MARIN MONTESSORI SCHOOL Corte Madera | 1.9 mi | 7.7 |
| Cove Corte Madera | 2.1 mi | 8.2 |
| The New Village School Sausalito | 2.1 mi | — |
| THE NEW VILLAGE SCHOOL Sausalito | 2.1 mi | 6.0 |
| Lycee Francais de San Francisco (Sausalito) Sausalito | 2.2 mi | — |
| HEADLANDS PREPARATORY SCHOOL Sausalito | 2.4 mi | 6.2 |
| Headlands Preparatory School Sausalito | 2.4 mi | — |
| Dr. Martin Luther King Jr. Academy Sausalito | 2.3 mi | 8.9 |
| TERRA MARIN SCHOOL Mill Valley | 2.4 mi | 7.9 |
| Edna Maguire Elementary Mill Valley | 2.5 mi | 6.4 |
| THE HELIX SCHOOL Mill Valley | 2.5 mi | — |
| Mill Valley Middle Mill Valley | 2.6 mi | 8.6 |
| Tamalpais High Mill Valley | 2.6 mi | 8.8 |
| Tamalpais Valley Elementary Mill Valley | 2.9 mi | 9.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94920 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$238,304
Median Home Value
$2,000,001
Median Rent
$3,501/mo
Population
12,682
College Educated
80.4%
Homeownership
73%
Avg Commute
30.2 min
Poverty Rate
2.4%
Median Age
50.6
Community Profile
The community surrounding Del Mar Middle has a median household income of $238,304. It is a well-educated community where 80% of adults hold a bachelor's degree or higher. The median home value in the area is $2,000,001, with a median rent of $3,501/month. The local poverty rate of 2.4% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Bunche Middle Compton, CA | 7.7 |
| Davis Middle Compton, CA | 7.7 |
| North Tahoe Middle Tahoe City, CA | 7.7 |
| PUC Excel Charter Academy Burbank, CA | 7.7 |
| Willowbrook Middle Compton, CA | 7.7 |
| Carl Smith Middle Terra Bella, CA | 7.8 |
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 is ranked #1915 out of 9,533 schools in CA.
What is Del Mar Middle's MySchoolScout rating?
Del Mar Middle has a composite rating of 7.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Del Mar Middle?
Based on the most recent state assessment data, Del Mar Middle has 76.2% math proficiency and 80.4% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Tiburon). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 361
- Student-Teacher Ratio
- 11.6:1
- Teachers (FTE)
- 31
- Free/Reduced Lunch
- 5.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Marin County
- Phone
- (415) 435-1468
- Data Year
- 2023–2024
Resources & Links
District
Reed Union Elementary- District Enrollment
- 1,048
- Schools in District
- 3
- Per-Pupil Spending
- $24,998
- District Rank
- #2 of 3
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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