Average
#7520 of 9,533 schools in CA
Sky Mountain Charter
School · Sky Mountain Charter District
4535 Missouri Flat Rd. Ste. 1A, Placerville, CA 95667
Enrollment
2,360
Student-Teacher
23.8:1
Score
5.0
Grades
Kindergarten – 12th
Enrollment
2,360
Student-Teacher
23.8:1
Score
5.0
Grades
Kindergarten – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Placerville
#9 of 17
public schools
California schools
#342 of 475
Academic growth
9.9 / 10
Exceptional
About Sky Mountain Charter
Sky Mountain Charter serves 2,360 students from kindergarten through 12th grade in Placerville, California, making it one of the larger educational options in El Dorado County. This public charter school maintains a student-teacher ratio of 23.8:1 with 99 full-time equivalent teachers on staff. The school earns a 5.9 out of 10 rating from MySchoolScout and ranks in the 56th percentile statewide, placing it at #4251 among California's 9566 schools.
Academically, Sky Mountain Charter shows solid performance in English Language Arts, with 54% of students achieving proficiency or above across grade levels. Math results indicate room for growth, with 36% of students meeting or exceeding proficiency standards. Sky Mountain Charter draws students from a community where the median household income reaches $84,296 and median home values sit at $485,900.
The surrounding area has a 9.6% poverty rate, and 29% of residents hold bachelor's degrees or higher, reflecting a moderately educated population of 36,084 people in the 95667 zip code. The school operates in Placerville's unique setting on the fringe of an urban area, offering families the benefits of both small-town character and access to broader metropolitan resources in this historic Gold Country community.
What's said publicly about Sky Mountain Charter
Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.
Sources (1)
What Parents Should Know
Sky Mountain Charter is a large school with 2,360 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
The student-teacher ratio at Sky Mountain Charter is 23.8:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Sky Mountain Charter is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Sky Mountain Charter — Students at Sky Mountain Charter score 44% proficient, which is below what's typical for similar communities (expected: 55%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
35.8%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 20 test records from CA state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.9/10.
How Sky Mountain Charter Compares
See how Sky Mountain Charter performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 23% (2019) to 35.35% (2024). Reading/ELA proficiency has improved from 39% (2019) to 53.5% (2024).
Location
4535 Missouri Flat Rd. Ste. 1A, Placerville, CA 95667
Nearby Alternatives
Families considering Sky Mountain Charter may also want to explore other schools in the area. Charter Community School Home Study Academy (rated 6.8/10, 2.9 miles away), which scores notably higher. Additionally, El Dorado Co Office of Ed Special Ed Programs (rated 6.8/10, 2.9 miles away), which scores notably higher. For more schools in Placerville, see our Placerville schools guide .
Nearby Schools
20 within 5.2 mi| School | Distance | Rating |
|---|---|---|
| Independence Continuation Placerville | 0.4 mi | 4.6 |
| Herbert C. Green Middle Placerville | 0.7 mi | 4.9 |
| SUMMITVIEW RANCH ACADEMY Placerville | 1.0 mi | — |
| Blaise Pascal School El Dorado | 1.6 mi | — |
| Pacific Crest Academy El Dorado | 1.7 mi | 6.4 |
| Union Mine High El Dorado | 1.9 mi | 5.1 |
| SUMMITVIEW ACADEMY Placerville | 2.2 mi | 6.4 |
| El Dorado High Placerville | 2.4 mi | 5.4 |
| Edwin Markham Middle Placerville | 2.5 mi | 4.6 |
| COUNTRY DAY MONTESSORI Placerville | 2.6 mi | — |
| Sierra Elementary Placerville | 2.6 mi | 6.7 |
| Charter Alternative Program (CAP) Placerville | 2.8 mi | 8.2 |
| Charter Community School Home Study Academy Placerville | 2.9 mi | 6.8 |
| El Dorado Co Office of Ed Special Ed Programs Placerville | 2.9 mi | 6.8 |
| Indian Creek Elementary Placerville | 2.9 mi | 5.0 |
| Louisiana Schnell Elementary Placerville | 3.5 mi | 2.5 |
| Roundtree Acadamy Placerville | 3.6 mi | — |
| EL DORADO ADVENTIST SCHOOL Placerville | 3.9 mi | 5.4 |
| El Dorado Adventist Placerville | 3.9 mi | — |
| California Montessori Project-Shingle Springs Campus Carmichael | 5.2 mi | 6.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95667 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$90,499
Median Home Value
$527,900
Median Rent
$1,408/mo
Population
36,286
College Educated
28.6%
Homeownership
75.2%
Avg Commute
27.3 min
Poverty Rate
9.9%
Median Age
49.1
Community Profile
The community surrounding Sky Mountain Charter has a median household income of $90,499. It is an area where 29% of adults hold a bachelor's degree or higher. The median home value in the area is $527,900, with a median rent of $1,408/month. The local poverty rate of 9.9% is relatively low. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Horizon Charter Lincoln, CA | 5.0 |
| Ocean Grove Charter Placerville, CA | 5.1 |
| Academy for Academic Excellence Apple Valley, CA | 5.2 |
| Community Outreach Academy Mcclellan, CA | 5.2 |
| Fortune Sacramento, CA | 5.2 |
| Gorman Learning Center San Bernardino/Santa Clarita Redlands, CA | 4.8 |
Frequently Asked Questions
Common questions about Sky Mountain Charter
What grades does Sky Mountain Charter serve?
Sky Mountain Charter serves students in grades Kindergarten through 12th.
How many students attend Sky Mountain Charter?
Sky Mountain Charter has an enrollment of approximately 2,360 students.
What is the student-teacher ratio at Sky Mountain Charter?
The student-teacher ratio at Sky Mountain Charter is 23.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sky Mountain Charter rank in CA?
Sky Mountain Charter is ranked #7520 out of 9,533 schools in CA.
What is Sky Mountain Charter's MySchoolScout rating?
Sky Mountain Charter has a composite rating of 5.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Sky Mountain Charter?
Based on the most recent state assessment data, Sky Mountain Charter has 35.0% math proficiency and 53.2% reading/ELA proficiency.
Is Sky Mountain Charter a charter school?
Yes, Sky Mountain Charter is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Sky Mountain Charter a Title I school?
No, Sky Mountain Charter is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sky Mountain Charter?
35.8% of students at Sky Mountain Charter qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Placerville). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 12th
- Enrollment
- 2,360
- Student-Teacher Ratio
- 23.8:1
- Teachers (FTE)
- 99
- Free/Reduced Lunch
- 35.8%
- Type
- regular
- Setting
- Fringe Town
- County
- El Dorado County
- Phone
- (800) 976-4436
- Data Year
- 2023–2024
Resources & Links
District
Sky Mountain Charter District- District Enrollment
- 2,360
- Schools in District
- 1
- Per-Pupil Spending
- $12,374
- District Rank
- #1 of 1
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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