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Email BoardSky Mountain Charter
4535 Missouri Flat Road, Suite 1A, Placerville, CA 95667-5729
Summary
Sky Mountain Charter is underperforming.
Reading and math results average to the 62nd percentile among comparable California schools.
50.4% of students met California's reading standard, but it is slowly trending down.
Math is weaker: 34.4% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 50.4% |
| Current Math Proficiency | 34.4% |
| Reading State Rank | 596/1,734 (66th percentile) |
| Math State Rank | 721/1,735 (58th percentile) |
School information
| Student / Teacher Ratio | 24:1 |
| Student enrollment (2024–25) | 2,511 |
| Low-Income Students | 931 (37.1%) |
| English Learners | 61 (2.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading fell 2.5 points from last year and fell 3.1 points over the full period. Math fell 0.4 points from last year and fell 1.0 points over the full period.
•Math -1.0 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Filipino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 32.7% to 73.1% across the grades shown. Overall, the school’s reading results rank in the top 35% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.3-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
12.8% of English learners meet the reading standard, compared with 50.4% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 70% proficiency. The other reported groups range from about 26% to 43%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 27.6% to 50.0% across the grades shown. Overall, the school’s math results rank in the top 42% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 11.9-point math income gap is slightly wider than the 10.8-point gap at a typical California K–12 school. It narrowed over the period shown.
•English Learners vs English Native
17.9% of English learners meet the math standard, compared with 33.7% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•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 Sky Mountain Charter compare within the district?
Sky Mountain Charter is No. 3 in reading and No. 4 in math proficiency among the 5 K–12 schools in Lucerne Valley Unified with 2026 results.
Explore the district’s schoolsHow does Sky Mountain Charter rank in California?
Sky Mountain Charter ranks No. 596 of 1,734 in reading and No. 721 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 Sky Mountain Charter compare within the district?
Low-income students here rank No. 3 in reading and No. 4 in math among 5 K–12 district schools with reportable 2026 results for this group. 41.4% meet the reading standard and 26.9% meet the math standard.
See results by student groupHow does Sky Mountain Charter compare with other schools in Placerville?
Sky Mountain Charter is No. 1 in both reading and math proficiency among the 2 K–12 schools in Placerville with 2026 results.
Explore schools in PlacervilleHow does Sky Mountain Charter compare with other schools in San Bernardino County?
Sky Mountain Charter is No. 7 in reading and No. 8 in math proficiency among the 24 K–12 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Sky Mountain CharterThis school | 34.4% | 50.4% |
| Elite Academic Academy - Lucerne | 49.5% | 55.8% |
| Gorman Learning Center San Bernardino/Santa Clarit | 40.0% | 56.4% |
