Enrollment
359
California · 2024-25 NCES data
Elementary school (grades K-5) · Lemon Grove, CA
Mt. Vernon
Federal NCES profile for Mt. Vernon, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062133002552
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mt. Vernon earns 10/100 on the Resource Investment Index, with class sizes larger than 83% of California schools.
- #4 of 6
- elementary schools in Lemon Grove · Resource Index
- 10
- Resource Index · Lower
- 25.6:1
- large classes for California
- 46.3%
- free-lunch eligible
Mt. Vernon has class sizes larger than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mt. Vernon ranks #4 of 6 elementary schools in Lemon Grove, CA.
School address
District: Lemon Grove · California
NCES ID 062133002552 Verify on NCES CCD record →
Teachers (FTE)
14.0
Federal CCD staff survey
Students per teacher
25.6:1
vs 21.5:1 California avg
+19% vs state
Free-lunch eligible
46.3%
vs 55.5% California avg
-17% vs state
Student-teacher ratio in context
How Mt. Vernon compares with California and U.S. medians
What stands out at Mt. Vernon
Mt. Vernon is a mid-sized elementary school in Lemon Grove, California, enrolling 359 students.
Class loads run somewhat heavier than typical: 25.6:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 46.3% of students eligible for free meals.
Enrollment of 359 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index trails 98% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 1,074 similarly sized, similarly resourced-need California schools statewide, it ranks #1,038, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (82% of enrollment) (diversity index 32/100).
Chronic absenteeism is elevated: 46.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Lemon Grove's elementary schools, it stands alongside San Miguel Elementary (435 students): Mt. Vernon is smaller than that campus by headcount and runs heavier classes (25.6:1 vs 21.8:1).
Lemon Grove also operates Vista La Mesa Academy (518 students) and Lemon Grove Academy for the Sciences and Humanities (516 students) alongside Mt. Vernon.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mt. Vernon compares
Mt. Vernon on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.6:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 46.3% | ▼ 17% | 55.5% | 51.7% |
| Enrollment | 359 | top 67% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.6:1
Leaner classes than 4% of US schools, heavier class loads than most.
359
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.3%
free-lunch eligible
- 17% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
25.6:1
students per teacher
- 19% above state mean
Top 83% in California - lower ratio than 17% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
46.8%
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
$17,124
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 1 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 1.1 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 81.9%
African American 6.1%
Two or More 5.6%
White 3.3%
Asian 3.1%
Largest group: Hispanic or Latino at 81.9% of enrollment.
Student-body diversity index 32.0/100
Simpson diversity index - at 32.0, Mt. Vernon is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Lemon Grove, which includes Mt. Vernon.
$17,124
Per student
+4%
vs California
Avg $16,509
+3%
vs U.S.
Avg $16,593
Revenue mix
Local 26.1%
State 58.9%
Federal 14.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Mt. Vernon Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Vista La Mesa Academy | Larger | Similar economic need | Lower S:T ratio |
| Lemon Grove Academy for the Sciences and Humanities | Larger | Similar economic need | Lower S:T ratio |
| San Miguel Elementary | Similar size | Higher economic need | Lower S:T ratio |
| Lemon Grove Academy Elementary | Similar size | Higher economic need | Lower S:T ratio |
| Monterey Heights Elementary | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mt. Vernon's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 518
- Students per teacher
- 21.6:1
- Resource Index
- 28/100
- Enrollment
- 516
- Students per teacher
- 19.1:1
- Resource Index
- 31/100
- Enrollment
- 435
- Students per teacher
- 21.8:1
- Resource Index
- 14/100
- Enrollment
- 399
- Students per teacher
- 23.5:1
- Resource Index
- 6/100
- Enrollment
- 341
- Students per teacher
- 17.1:1
- Resource Index
- 21/100
Similar elementary schools in Lemon Grove
5 comparable elementary schools (grades K-5) serving the same city.
San Miguel Elementary
Standard public school
435 students 21.8:1 students per teacher
Lemon Grove Academy Elementary
Standard public school
399 students 23.5:1 students per teacher
Monterey Heights Elementary
Standard public school
341 students 17.1:1 students per teacher
San Altos Elementary
Standard public school
338 students 18.8:1 students per teacher
Lemon Grove Early Childhood Education Center
Standard public school
142 students 35.5:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~359 students)
Similar student-teacher ratio (~25.6:1)
Next steps
Verify locally before acting on Mt. Vernon's federal record.
- Compare Mt. Vernon against another school. Compare schools
- Lemon Grove's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Mt. Vernon
How many students attend Mt. Vernon?
Mt. Vernon has 359 students enrolled. It is an elementary school in Lemon Grove, CA.
What is the student-teacher ratio at Mt. Vernon?
The student-teacher ratio at Mt. Vernon is 25.6:1, which is 19% higher than the California average of 21.5:1 and 63% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mt. Vernon?
46.3% of students at Mt. Vernon are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mt. Vernon?
The largest demographic group at Mt. Vernon is Hispanic or Latino at 81.9% of enrollment, in Lemon Grove, CA.
What is the Resource Investment Index for Mt. Vernon?
Mt. Vernon has a Resource Investment Index of 10/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mt. Vernon rank among elementary schools in Lemon Grove?
By Resource Investment Index, Mt. Vernon ranks #4 of 6 elementary schools in Lemon Grove, 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 Lemon Grove on the city page.
Is Mt. Vernon a good school?
Mt. Vernon earns 10/100 on the Resource Investment Index, with class sizes larger than 83% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Lemon Grove?
Besides Mt. Vernon, Lemon Grove also operates Vista La Mesa Academy (518 students), Lemon Grove Academy for the Sciences and Humanities (516 students), and San Miguel Elementary (435 students). See the Lemon Grove district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.