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Email BoardHorizon Charter
873 First Street, Lincoln, CA 95648-1764
Summary
Horizon Charter is underperforming.
Reading and math results average to the 76th percentile among comparable California schools.
54.0% of students met California's reading standard, and it is slowly trending up.
Math is weaker: 47.4% of students met California's math standard, but it is quickly trending up.
Proficiency stats
| Current Reading Proficiency | 54.0% |
| Current Math Proficiency | 47.4% |
| Reading State Rank | 482/1,734 (72nd percentile) |
| Math State Rank | 352/1,735 (80th percentile) |
School information
| Student / Teacher Ratio | 27:1 |
| Student enrollment (2024–25) | 1,757 |
| Low-Income Students | 977 (55.6%) |
| English Learners | 128 (7.3%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading rose 0.6 points from last year and rose 4.3 points over the full period. Math rose 5.0 points from last year and rose 14.4 points over the full period.
•Math +14.4 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 49.5% to 58.1% 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 12.4-point reading income gap is slightly wider than the 11.6-point gap at a typical California K–12 school. It narrowed over the period shown.
•English Learners vs English Native
24.5% of English learners meet the reading standard, compared with 53.2% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 53% proficiency. The other reported groups range from about 35% to 50%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 42.2% to 54.7% across the grades shown. Overall, the school’s math results rank in the top 21% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 17.7-point math income gap is wider than the 10.8-point gap at a typical California K–12 school. It widened over the period shown.
•English Learners vs English Native
39.6% of English learners meet the math standard, compared with 45.1% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 249 schools for reading and 251 for math. The comparison uses 2026 California K–12 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 Horizon Charter compare within the district?
Horizon Charter is No. 1 in both reading and math proficiency among the 2 K–12 schools in Western Placer Unified with 2026 results.
Explore the district’s schoolsHow does Horizon Charter rank in California?
Horizon Charter ranks No. 482 of 1,734 in reading and No. 352 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 Horizon Charter compare within the district?
Low-income students here rank No. 1 in both subjects among 2 K–12 district schools with reportable 2026 results for this group. 48.3% meet the reading standard and 39.2% meet the math standard.
See results by student groupHow does Horizon Charter compare with other schools in Lincoln?
Horizon Charter is No. 1 in both reading and math proficiency among the 2 K–12 schools in Lincoln with 2026 results.
Explore schools in LincolnHow does Horizon Charter compare with other schools in Placer County?
Horizon Charter is No. 1 in both reading and math proficiency among the 3 K–12 schools in Placer County with 2026 results.
Explore schools in Placer CountyWhich schools should I compare?
Schools serving K–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Horizon CharterThis school | 47.4% | 54.0% |
| John Adams Academy - Lincoln | 41.2% | 53.3% |
