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Email BoardLyle S. Briggs Fundamental
11880 Roswell Avenue, Chino, CA 91710-4130
Summary
Lyle S. Briggs Fundamental is underperforming.
Reading and math results average to the 80th percentile among comparable California schools.
58.0% of students met California's reading standard, and it is trending up slightly.
50.4% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 58.0% |
| Current Math Proficiency | 50.4% |
| Reading State Rank | 381/1,734 (78th percentile) |
| Math State Rank | 303/1,735 (83rd percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 643 |
| Low-Income Students | 431 (67.0%) |
| English Learners | 24 (3.7%) |
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 1.1 points over the full period. Math rose 6.8 points from last year and rose 6.4 points over the full period.
•Math +6.4 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. White and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 48.9% to 73.6% across the grades shown. Overall, the school’s reading results rank in the top 22% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 16.7-point reading income gap is about the same as the 16.5-point gap at a typical California K–8 school. It widened slightly over the period shown.
•English Learners vs English Native
11.8% of English learners meet the reading standard, compared with 58.6% 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 65% proficiency. The other reported groups range from about 45% to 64%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 43.3% to 61.1% across the grades shown. Overall, the school’s math results rank in the top 18% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.7-point math income gap is wider than the 15.5-point gap at a typical California K–8 school. It widened over the period shown.
•English Learners vs English Native
English-learner math proficiency held steady at 11.8%, while English-only results rose. The gap widened.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 802 schools for reading and 801 for math. The comparison uses 2026 California K–8 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 Lyle S. Briggs Fundamental compare within the district?
Lyle S. Briggs Fundamental is No. 2 in both reading and math proficiency among the 4 K–8 schools in Chino Valley Unified with 2026 results.
Explore the district’s schoolsHow does Lyle S. Briggs Fundamental rank in California?
Lyle S. Briggs Fundamental ranks No. 381 of 1,734 in reading and No. 303 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Lyle S. Briggs Fundamental compare within the district?
Low-income students here rank No. 2 in both subjects among 4 K–8 district schools with reportable 2026 results for this group. 53.5% meet the reading standard and 44.3% meet the math standard.
See results by student groupHow does Lyle S. Briggs Fundamental compare with other schools in Chino?
Lyle S. Briggs Fundamental is No. 2 in both reading and math proficiency among the 5 K–8 schools in Chino with 2026 results.
Explore schools in ChinoHow does Lyle S. Briggs Fundamental compare with other schools in San Bernardino County?
Lyle S. Briggs Fundamental is No. 8 in both reading and math proficiency among the 28 K–8 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Lyle S. Briggs FundamentalThis school | 50.4% | 58.0% |
| Allegiance STEAM Academy - Thrive | 42.9% | 50.8% |
| Cal Aero Preserve Academy | 61.5% | 67.9% |
