Mt. Vernon Elementary
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 44 of every 100 students at this school read and write at grade level and about 34 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 6 points since 2014, while math scores are up about 5 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 39% of students here test proficient in math and reading, compared with the roughly 38% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Mt. Vernon Elementary
Mt. Vernon Elementary operates as a compact K-5 school in Lemon Grove, California, operated by Lemon Grove. Current enrollment sits at 359 students spanning grades K through 6. By comparison, California's public schools average about 465 students each, so Mt. Vernon Elementary sits 23% below that benchmark.
Lemon Grove runs 8 schools in total, collectively educating 3,048 students. Mt. Vernon Elementary is one of those campuses.
In terms of who attends, Mt. Vernon Elementary reports that the student body is overwhelmingly Hispanic (82%). The remainder reads as 6% Black, 6% multiracial, 3% White, 3% Asian. The wider county runs roughly 35% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.
On the income-and-resources front, On paper, Mt. Vernon Elementary has 16 full-time-equivalent teachers, translating to a class-load average of around 22.0:1. That tracks the state average closely. Roughly 70% of students at Mt. Vernon Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. That share is higher than San Diego County's rate of about 54%.
Adjusting for the school's free-and-reduced-lunch share, Mt. Vernon Elementary tracks the demographic baseline. The model predicts 37.8% given the school's FRL share; actual proficiency is 39.0%.
In the broader community, census data for San Diego County shows median household income runs about $106,268, about 43% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. In all, San Diego County runs 766 public schools (combined enrollment of about 467,437 students), of which Mt. Vernon Elementary is one.
The closest other public school is Lemon Grove Early Childhood Education Center, roughly 0.1 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Mt. Vernon Elementary comes 1st of 8 in the immediate cluster, ahead of the nearby-schools average of 26.9%.
Geographically, the school is in a residential area.
Over the past 7-year window. Mt. Vernon Elementary's enrollment has ticked down 38% since 2018, when it stood at 579 (now 359). The Hispanic share of enrollment expanded from 70% to 82% over that span. Class-load math has narrowed: from 24.6:1 in 2018 to 22.0:1 in 2025.
On the community side, the feed for Mt. Vernon Elementary typically covers fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.
San Diego County at a glance
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