- Enrollment
- 2,485
- Students per teacher
- 25.9:1
- Resource Index
- 21/100
Elementary school (grades K-5) · San Diego, CA
Mason Elementary
Federal NCES profile for Mason Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063432005515
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 2
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mason Elementary earns 32/100 on the Resource Investment Index, with class sizes larger than 89% of California schools. It is also more racially and ethnically mixed than most California schools.
- #76 of 179
- elementary schools in San Diego · Resource Index
- 32
- Resource Index · Typical
- 26.9:1
- large classes for California
- 37.5%
- free-lunch eligible
Mason Elementary has class sizes larger than 89% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mason Elementary ranks #76 of 179 elementary schools in San Diego, CA.
School address
District: San Diego Unified · California
NCES ID 063432005515 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+32 students YoY
Mason Elementary grew from 480 students in 2022-23 to 512 in 2023-24 (+6.7%).
Teacher FTE added 20.0 → 21.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+32 students YoY 063432005515 · San Diego, CA Elementary · MID · TRAD
538 enr · 26.9:1 · 37.5% lunch · RII 32
Nearest enrollment peer: Henry High (2,485 students)
Mason Elementary grew from 480 students in 2022-23 to 512 in 2023-24 (+6.7%). Teacher FTE added 20.0 → 21.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Mason Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Henry High
Henry High
2,485 students
- Mira Mesa High
Mira Mesa High
2,187 students
- Hoover High
Hoover High
2,011 students
- Scripps Ranch
Scripps Ranch High
1,890 students
- Point Loma Hig
Point Loma High
1,724 students
- This school 538
Mason Elementary
538 students
What this shows Mason Elementary reports 538 students on the CCD universe file.
How Mason Elementary compares
Mason Elementary is a growing campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 26.9:1 | ▲ 25% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 37.5% | ▼ 32% | 55.5% | 51.7% |
| Enrollment | 538 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
26.9:1
Leaner classes than 3% of US schools, heavier class loads than most.
538
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
37.5%
free-lunch eligible
- 32% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
26.9:1
students per teacher
- 25% above state mean
Top 89% in California - lower ratio than 11% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
39.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$20,783
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.4 FTE
Per 224 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 1 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 0.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 42.6%
Asian 22.1%
White 15.6%
Two or More 13.2%
African American 6.1%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 42.6% of enrollment.
Student-body diversity index 72.4/100
Simpson diversity index - at 72.4, Mason Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for San Diego Unified reports $20,783 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mason Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Henry High | Larger | Similar economic need | Similar S:T ratio |
| Mira Mesa High | Larger | Similar economic need | Lower S:T ratio |
| Hoover High | Larger | Higher economic need | Lower S:T ratio |
| Scripps Ranch High | Larger | Lower economic need | Similar S:T ratio |
| Point Loma High | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mason Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,187
- Students per teacher
- 24.9:1
- Resource Index
- 38/100
- Enrollment
- 2,011
- Students per teacher
- 20.5:1
- Resource Index
- 12/100
- Enrollment
- 1,890
- Students per teacher
- 27:1
- Resource Index
- 45/100
- Enrollment
- 1,724
- Students per teacher
- 26.1:1
- Resource Index
- 24/100
Similar elementary schools in San Diego
6 comparable elementary schools (grades K-5) serving the same city.
Albert Einstein Academies
Standard public school
1,448 students 24.1:1 students per teacher
Design 39 Campus
Standard public school
1,216 students 27:1 students per teacher
Nestor Language Academy Charter
Standard public school
1,079 students 25.7:1 students per teacher
Ocean View Hills
Standard public school
1,020 students 23.7:1 students per teacher
Language Academy
Standard public school
1,015 students 22.6:1 students per teacher
Del Sur Elementary
Standard public school
891 students 24.1:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~538 students)
Similar student-teacher ratio (~26.9:1)
Frequently asked questions about Mason Elementary
How many students attend Mason Elementary?
Mason Elementary has 538 students enrolled. It is an elementary school in San Diego, CA. CCD year-over-year: 480 (2022-23) → 512 (2023-24), up 32.
What is the student-teacher ratio at Mason Elementary?
The student-teacher ratio at Mason Elementary is 26.9:1, which is 25% higher than the California average of 21.5:1 and 71% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mason Elementary?
37.5% of students at Mason Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mason Elementary?
The largest demographic group at Mason Elementary is Hispanic or Latino at 42.6% of enrollment, in San Diego, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.4/100.
What is the Resource Investment Index for Mason Elementary?
Mason Elementary has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mason Elementary rank among elementary schools in San Diego?
By Resource Investment Index, Mason Elementary ranks #76 of 179 elementary schools in San Diego, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in San Diego on the city page.
What other schools are in San Diego Unified?
Besides Mason Elementary, San Diego Unified also operates Henry High (2,485 students), Mira Mesa High (2,187 students), and Hoover High (2,011 students). See the San Diego Unified district page for the complete list.