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Email BoardGuin Foss Elementary
18492 Vanderlip Avenue, Santa Ana, CA 92705-3242
Summary
Guin Foss Elementary is underperforming.
Reading and math results average to the 76th percentile among comparable California schools.
58.5% of students met California's reading standard, and it is trending up.
60.2% of students met California's math standard and is trending up.
Proficiency stats
| Current Reading Proficiency | 58.5% |
| Current Math Proficiency | 60.2% |
| Reading State Rank | 1,281/4,657 (73rd percentile) |
| Math State Rank | 1,002/4,657 (79th percentile) |
School information
| Student / Teacher Ratio | 24:1 |
| Student enrollment (2024–25) | 395 |
| Low-Income Students | 243 (61.5%) |
| English Learners | 44 (11.1%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 0.7 points from last year and rose 5.3 points over the full period. Math rose 2.8 points from last year and rose 6.3 points over the full period.
•Math +6.3 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 53.5% to 66.7% across the grades shown. Overall, the school’s reading results rank in the top 28% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 27.4-point reading income gap is wider than the 19.8-point gap at a typical California K–5 school. It narrowed over the period shown.
•
English Learners vs English Native
8.3% of English learners meet the reading standard, compared with 62.6% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races students have the strongest math results at about 92% proficiency. The other reported groups range from about 48% to 82%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 50.7% to 68.8% across the grades shown. Overall, the school’s math results rank in the top 22% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 34.3-point math income gap is wider than the 20.0-point gap at a typical California K–5 school. It narrowed slightly over the period shown.
•English Learners vs English Native
16.7% of English learners meet the math standard, compared with 64.8% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Guin Foss Elementary compare within the district?
Guin Foss Elementary is No. 8 in both reading and math proficiency among the 13 K–5 schools in Tustin Unified with 2026 results.
Explore the district’s schoolsHow does Guin Foss Elementary rank in California?
Guin Foss Elementary ranks No. 1,281 of 4,657 in reading and No. 1,002 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Guin Foss Elementary compare within the district?
Low-income students here rank No. 8 in both subjects among 13 K–5 district schools with reportable 2026 results for this group. 47.6% meet the reading standard and 46.6% meet the math standard.
See results by student groupHow does Guin Foss Elementary compare with other schools in Santa Ana?
Guin Foss Elementary is No. 5 in reading and No. 4 in math proficiency among the 30 K–5 schools in Santa Ana with 2026 results.
Explore schools in Santa AnaHow does Guin Foss Elementary compare with other schools in Orange County?
Guin Foss Elementary is No. 65 in reading and No. 63 in math proficiency among the 125 K–5 schools in Orange County with 2026 results.
Explore schools in Orange CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Guin Foss ElementaryThis school | 60.2% | 58.5% |
| Arroyo Elementary | 84.6% | 79.7% |
| Red Hill Elementary | 72.9% | 69.3% |
