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Charter school · Sky Mountain Charter District · Placerville, California

Sky Mountain Charter

Sky Mountain Charter rates 5.2 on our ten-point scale and ranks 7,250 of 9,557 schools in California.

Schools, 1 to 10This campus on our ten-point scale.
5.2this school

5.2 on a one-to-ten scale.

#7,250 of 9,557 schools in California

The brief

A charter school in Placerville, CA where students score 12 points below what's typical for similar communities.

It ranks 7,250 of 9,557 schools in California and 1 of 1 in Sky Mountain Charter District.

Sky Mountain Charter is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math35%3 points below the California average of 38%2025 CAASPP
Reading54%5 points above the California average of 49%2025 CAASPP
Proficiency has fallen 5 points since 2021, to 44% in 2025, across a 8-year record (2018–2025).2025 CAASPP; 42 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
4.9
25% of the rating
Academics
6.0
25% of the rating
College Readiness
4.4
30% of the rating
Resources & Environment
5.9
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 35% (multi-year average, 2018-2025) · reading/ELA 53% (multi-year average, 2018-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 95667; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Sky Mountain Charter and the 20 nearest schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$90,499
Median home value
$527,900
Median rent
$1,408/mo
College educated
28.6%
Homeownership
75.2%
Poverty rate
9.9%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95667; this is area context, not an attendance boundary.

Getting around

Walk Score
52
Somewhat Walkable
Bike Score
39
Somewhat Bikeable
City reported crime
1,600/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Placerville. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Placerville), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
4 AP courses
0.6% participation · state average 2.6 AP courses · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
5 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
35.8%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 7.1Compare →
  2. Sky Mountain Charterthis school
    5.2
  3. 4.5Compare →
Two grade-compatible schools using the same rating model sit within 5 miles, and one rates higher than Sky Mountain Charter.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

The public record

What's said publicly about Sky Mountain Charter

Sources:School's website

Synthesized from public, attributable sources. Updated April 2026.Reviewed for accuracy.

Sky Mountain Charter School is a tuition-free public charter school in California that serves students from Transitional Kindergarten through 12th grade 1. The school has been supporting individualized learning since 2007 and utilizes an independent study, distance learning, and homeschool model 1. It is accredited and offers personalized learning plans designed through a Curriculum Wizard, allowing families to use instructional funds to purchase products and services from over 2,000 vendors 1. The curriculum includes hundreds of A-G course options, multiple high school pathways, and access to iReady targeted instruction 1. Enrichment opportunities include monthly field trips across California, online supplemental courses taught by content experts, and interactive in-person events 1. The school maintains a well-stocked curriculum library and provides summer school for high school students 1. Administrative locations include a corporate office, parent support lines, and curriculum libraries in Boulder Creek and Nicolaus, with postal mail handled in Placerville 1.
Sources (1)
  1. www.skymountaincs.org
Generated by AI from public sources. Every claim is grounded in a cited source.Report inaccuracy

Questions families ask

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 ranks #7,250 of 9,557 schools in CA.

What is Sky Mountain Charter's MySchoolScout rating?

Sky Mountain Charter has a current MySchoolScout rating of 5.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sky Mountain Charter?

Based on loaded state assessment records, Sky Mountain Charter has 35% math proficiency (multi-year average, 2018-2025) and 53% reading/ELA proficiency (multi-year average, 2018-2025).

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.

School facts

Grades
Kindergarten – 12th
Enrollment
2,360
Student-teacher ratio
23.8:1
Teachers (FTE)
99
Type
Regular
Title I
No
Setting
Fringe Town
County
El Dorado County
4-year graduation
80–84%
Class of 2023
Rank in district
#1 of 1
Schools in district
1
District spending per student
$12,374
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 95667)
36,286
Area average commute
27.3 min
Area median age
49.1

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.