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SCHOOL COMMUNITY·REED UNION ELEMENTARY·NCES 063216004975

Bel Aire Elementary

277 Karen Way, Tiburon, CA 94920 · (415) 388-7100 · Marin County
GRADES 03–05ELEMENTARY21-SUBURBREGULAR SCHOOL322 STUDENTS
Enrollment
322
Elementary
DISTRICT 342 · STATE 465
Student : Teacher
17.7:1
18 FTE teachers
DISTRICT 17.3:1 · STATE 22.3:1
Free / Reduced Lunch
8%
26 students
DISTRICT 5% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 3
102
Grade 4
106
Grade 5
114
Student demographics
White
22269%
DISTRICT 69% · STATE 20%
Hispanic
3310%
DISTRICT 10% · STATE 56%
Black
62%
DISTRICT 1% · STATE 5%
Asian
258%
DISTRICT 7% · STATE 12%
Two+
3511%
DISTRICT 12% · STATE 6%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
17253%
Female
14946%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
73.7%
CA avg 47.1% . -9.3pp since 2014
Math
74.2%
CA avg 35.6% . -6.8pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
73.8%
composite math + reading, all grades
Predicted
74.7%
based on CA schools with similar FRL share
Beats by
-0.9pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
322
-181 (-36%) vs 2017
Student : Teacher
17.7:1
was 19.2:1
% White
69%
was 83%
% Hispanic
10%
was 6%
% Black
2%
was 0%
% Asian
8%
was 9%
Source: NCES Common Core of Data

About Bel Aire Elementary

As a low-enrollment elementary school in Tiburon, California, Bel Aire Elementary caters to 322 students from grades 3 through 5, part of Reed Union Elementary. By comparison, California's public schools average about 465 students each, so Bel Aire Elementary sits 31% below that benchmark.

Reed Union Elementary comprises 3 schools with combined enrollment of 1,043 students; Bel Aire Elementary is among them.

On the student-mix side, Bel Aire Elementary lists that the largest single group is White, at 69% of enrollment. Beyond that, the school reports 11% multiracial, 10% Hispanic, 8% Asian. That composition is broadly in line with Marin County as a whole.

Looking at school resources, Bel Aire Elementary reports 18 full-time-equivalent teachers, putting the student-to-teacher ratio at about 17.7:1. Statewide, the average ratio sits near 22.3:1, putting Bel Aire Elementary tighter than the state norm the norm. About 8% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Marin County (around 35%), the school's rate is noticeably below typical.

Adjusting for the school's free-and-reduced-lunch share, Bel Aire Elementary tracks the demographic baseline. The model predicts 74.7% given the school's FRL share; actual proficiency is 73.8%.

In the surrounding community, Marin County reports that median household income runs about $149,091, roughly 61% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. In all, Marin County runs 75 public schools (combined enrollment of about 29,867 students), of which Bel Aire Elementary is one.

Nearest neighbor: Strawberry Point Elementary, around 0.7 miles off. Counting just inside five miles, 8 other public schools cluster around Bel Aire Elementary. Among the 9 schools in that immediate cluster with test data (this one included), Bel Aire Elementary ranks 6th on composite proficiency, below the local average of 76.1%.

The campus sits in a residential setting.

Over the past 7-year window. Over the past 7-year window, the student count decreased 36%: 503 students in 2018 compared to 322 in 2025. Over the same period, the White share decreased from 83% to 69%. The student-to-teacher ratio narrowed from 19.2:1 in 2018 to 17.7:1 today.

On the community side, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.

Marin County at a glance

View full county profile
Population
257,969
Census ACS
Median income
$149,091
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
75
29,867 students

Quick facts

School name
Bel Aire Elementary
District
Reed Union Elementary
Address
277 Karen Way, Tiburon, CA 94920
Phone
(415) 388-7100
County
Marin County
Level
Elementary
Grade range
03–05
Total enrollment
322
Teachers (FTE)
18
Student–teacher ratio
17.7:1
Free/Reduced lunch
26 (8%)
Locale
21-Suburb: Large
NCES ID
063216004975
Charter school
No
Virtual school
No

Related schools

Other schools in Reed Union Elementary
Other schools in Tiburon
Nearby schools

Frequently asked questions

About Bel Aire Elementary
How many students attend Bel Aire Elementary?
Bel Aire Elementary enrolls approximately 322 students in grades 03-05.
What grades does Bel Aire Elementary serve?
Bel Aire Elementary serves grades 03-05.
How many students per teacher at Bel Aire Elementary?
Approximately 17.7:1 students per teacher at Bel Aire Elementary.
How diverse is Bel Aire Elementary?
Bel Aire Elementary reports a student body of 69% White, 10% Hispanic, 2% Black, 8% Asian, 11% Two or more.
Is Bel Aire Elementary public or private?
Bel Aire Elementary is a public K-12 school, overseen by Reed Union Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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