Sky Mountain Charter School

Placerville · El Dorado County · Public

Public El Dorado County ~114 seniors CDS 3675051…

Data Year

Compare with peers

Most similar nearby schools

Union Mine High School → El Dorado High School → Golden Sierra Junior Senior High → Charter Community School Home Study Academy → Amador High School → Compare all similar →

Top 25% ELA & Math · SBAC (CA) Top 5% Attendance (lowest chronic absenteeism) in CA

A parent's read

About 2 in 3 students read and write at grade level. On the state's own 11th-grade test, 71% met or exceeded the college-readiness bar — the top quarter of California high schools (statewide: 54%).
Kids actually show up. Only 2% of students are chronically absent, versus about 23% statewide — day-to-day engagement most schools would envy.
Most grads aim beyond the UC system. Seniors file only ~0.1 UC applications each — families here mostly target CSU, private, or out-of-state colleges, so judge this school on more than its UC numbers.
One question for any counselor: who should still test? Plenty of strong students skip the SAT/ACT now — but merit scholarships at dozens of colleges still key off scores. Ask how the school decides who should still sit for one.

Composed from this page's data — every claim is backed by a number in the sections below.

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How Sky Mountain Charter School compares for families

What families should know about Sky Mountain Charter School.

▸ Locally🎯 Top 5% in California on Attendance (lowest chronic absenteeism).
▸ vs Similar SchoolsThe closest comparables nearby: Union Mine High School, El Dorado High, Golden Sierra Junior Senior High and 2 more. See the sidebar to compare side-by-side.

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Objective, government-grade data — no school pays us for placement.

SBAC academic outcomes — grade 11, 2025

Share of grade-11 students meeting or exceeding the California standard on Smarter Balanced ELA and Math. This is the academic-readiness signal that pairs with UC Reach (post-grad outcomes), stability (retention), and absenteeism (engagement). Note: statewide median Math is only ~20% — a school at 20% isn't an outlier; one at 45%+ genuinely is.

About 2 in 3 students read and write at grade level — the top quarter of California high schools.

About 4 in 10 students do math at grade level — the top quarter of California high schools.

ELA — met or exceeded

n = 153

70.6%

incl. 33.3% exceeded

+2.8 pts above El Dorado County median (67.8%) · CA median 54.5% · Top 10% statewide ≥ 79.4%

Math — met or exceeded

n = 153

42.5%

incl. 19.6% exceeded

+11.6 pts above El Dorado County median (30.9%) · CA median 21.4% · Top 10% statewide ≥ 53.6%

Source: California Assessment of Student Performance and Progress (CAASPP) Smarter Balanced research files. Benchmarks limited to non-virtual public & charter HS with ≥30 tested students.

Student composition — 2025-26

HS grades 9–12 racial/ethnic composition and program subgroups, from CDE Census Day Enrollment. Two-year shift shown when ≥1 pt — surfaces how the community served has changed since 2023-24.

Race / ethnicity

Hispanic / Latino 45% +8.9

White 31% -2.9

Not reported 8% -2.3

Two or more 7% -2.3

Asian 4%

Black / African Am. 3% -1.3

Filipino 1%

Program subgroups

Socioeconomically disadv. 38% -1.7

Students w/ disabilities 9% -1.4

Source: California Department of Education, Census Day Enrollment 2025-26 (HS grades 9–12). Δ shown when shift is ≥1 pt since 2023-24. Categories below 0.5% omitted.

Chronic absenteeism — 2024-25

Share of students missing 10% or more of expected attendance — the leading indicator that often precedes the demand decline shown above. Families disengaging tend to raise absenteeism first, then formally leave. Basis: grades 9–12.

Kids show up: 2% are chronically absent versus about 23% statewide — engagement most schools would envy.

Chronic absent

1.8%

11 of 609 students

Absenteeism is down 4.1 pp since 2016-17. Engagement improving — a positive trajectory worth understanding and reinforcing.

El Dorado County median

16.9% · school is better than 90% of 10 HS

Statewide median

22.8%

Chronic absenteeism by year (raw %)

Source: California Department of Education, Chronic Absenteeism 2024-25. Benchmarks limited to non-virtual public & charter HS with ≥100 eligible students. CDE didn't publish a usable 2019-20 file (COVID).

Enrollment trend & projection

Total enrollment (9–12)

548 (2024) → 621 (2026)

+13.3%

Grade 12 (graduating class)

118 (2024) → 137 (2026)

+16.1%

If this trend holds (+6.5%/yr, Total enrollment)

At per-pupil funding of $ / student:

Horizon	Projected Total enrollment	Change	Funding impact / yr
1 yr (2027)	~661	+40	$0
3 yr (2029)	~749	+128	$0
5 yr (2031)	~849	+228	$0

Straight-line extrapolation of the recent annual rate — a what-if, not a forecast of intent. Default = California's LCFF base grant for grades 9–12 ($12,423/ADA). Edit the figure to match your school.

How does Sky Mountain Charter School really compare on getting kids to college?

We've ranked it #9 of 9 most similar nearby schools on UC Reach. Unlock the full snapshot to see the head-to-head — who's ahead, by how much, and where it's heading.

The full head-to-head table — every peer school's UC Reach, side by side.

Enrollment trend + 3-year projection — is this school growing or quietly shrinking?

The plain-English read on what it all means for your family.

Your similar-school group includes

Union Mine High School · El Dorado High · Golden Sierra Junior Senior High · Charter Community School Home Study Academy · Amador High School · Argonaut High School · +4 more

Enrollment stability & demand — 2024-25

Two complementary signals: retention (do students stay once enrolled?) and demand (are families choosing the school?). Read against the El Dorado County baseline — the demographic tide is moving every CA HS, so a school's gap vs. county is the actionable signal.

90% of students who start the year here finish it here.

Mixed signal

Outperforming on demand; some mid-year churn to look at.

Sky Mountain Charter School is recruiting families faster than El Dorado County is shrinking (school +16.1% vs. county -4.8%), but 63 students didn't make it to year-end. The recruitment engine works; the mid-year exits are worth understanding.

+16.1% senior class, grade 12 (2024–2026)

-4.8% El Dorado County baseline

+20.9pp gap vs. county

89.7% retention (county median 89.2%)

Senior class (grade 12) — indexed to 100 at 2024

Stability rate by year (raw %)

Stability rate

89.7%

550 of 613 students

63 of 613 students who enrolled at Sky Mountain Charter School this year didn't maintain continuous enrollment (10.3% non-stability). Mid-year transfers, dropouts, and other exits are all counted.

El Dorado County median

89.2% · school is in the 60th percentile of 10 HS

Statewide median

87.3% · in the 63rd percentile of 1,734 HS

Stability by student group

Hispanic / Latino (1,120) 89.0%

Socio. disadvantaged (1,052) 88.4%

White (821) 89.9%

Students w/ disabilities (317) 88.6%

Two or more races (214) 90.7%

Asian (128) 85.9%

Nearest peer high schools

Union Mine High School 90.1% El Dorado High 92.0% Golden Sierra Junior Senior High 85.7% Charter Community School Home Study Academy 74.8% Amador High School 86.5%

Source: California Department of Education, Stability Rate 2024-25. Benchmarks limited to non-virtual public & charter HS with ≥100 cumulative enrollees so by-design-high-churn continuation schools don't dominate the bottom of the distribution. Cumulative enrollment counts every student on the rolls during the year, so it can exceed peak-day enrollment.

UC Reach Score ⓘ methodology

UC Application Reach Score ⓘ

15 applications

In context: CA median 81 · Top 10% statewide ≥ 240 · higher than 1% of CA HS.

UC Admit Rate ⓘ

N/A

— / 15 applications

UC Yield Rate ⓘ

N/A

— enrolled of — admitted

Yield vs. Enrollment Reach: Yield answers "of UC admits, what % chose UC?" — denominator is just the admits. A small admitted cohort can post a low yield even when the school sends a healthy share of its class to UC.

UC Enrollment Reach Score ⓘ

N/A

— enrollees / 114 seniors

Enrollment Reach vs. Yield: Reach answers "of the whole senior class, what share ended up at UC?" — denominator is everyone. High Yield with low Enrollment Reach is common at elite privates: most admits matriculate, but the school sends most of its class to non-UC selective colleges.

A-G Completion ⓘ

Only 1 in 4 graduates finish the courses UC and CSU require — below the state norm. Worth asking how course access and planning work here.

26%

34 of 129 graduates · 2024-25 cohort

In context: CA median 55.9% · -29.5 pp vs. median · El Dorado Co. 41.5%.

Selective UC Reach (UCB, UCLA, UCSD, UCSB, UCI — incl. the Elite two) ⓘ

N/A

Elite UC Reach (UCB + UCLA) ⓘ

N/A

Senior Class Size ⓘ

114

CDE grade 12 (exact)

Total School Enrollment ⓘ

583

All grades · CDE Census Day

Avg. Applicant GPA · top-6 UCs ⓘ

4.06

UC Outcomes Trend — 2021–2025

UC Admit Rate %

UC Reach Score (where available)

UC Admits (count, right axis)

Class size from CDE grade 12 enrollment. Campus-level data: applicant and admit totals count a student once at EACH campus. A senior admitted to UCLA and UC San Diego adds 2 to the admit total, so the total can exceed the senior class — that is the metric working as defined, not an error. The admit RATE is unaffected: both its numerator and denominator are campus-level.

Campus Breakdown — 2025

Campus	Applicants	Admits	Enrollees	Admit Rate	UC Reach Score	Yield	Avg GPA (App)	Avg GPA (Adm)
UCLA → Elite	5	—^†	—^†	—^†	—^†	—	4.09	—^†
UC San Diego → Selective	5	—^†	—^†	—^†	—^†	—	4.12	—^†
UC Irvine → Selective	5	—^†	—^†	—^†	—^†	—	3.97	—^†

† = UCOP-suppressed (count below 3 students, hidden for privacy — actual value is 0, 1, or 2, not necessarily zero). Campus-level totals may count one student admitted to multiple UC campuses more than once; Admit Volume metrics are not the same as UC Reach, which is measured against the whole senior class. See methodology →

What This Means

A relatively small share of the senior class is entering the UC application pipeline. This may signal limited A-G completion, UC awareness gaps, or counseling capacity constraints. Broadening access is the highest-leverage opportunity for this school.

Note: the UC Reach Score sums campus-level admits across the top-six UC campuses, so a student admitted to both UCLA and UCSD is counted at each. It reflects competitive admit volume relative to class size — admit-events, not distinct students — which is why a Score can exceed 100.

Compare with other schools → See El Dorado County rankings →

For School Admins

The full Reach Report for Sky Mountain Charter School

A board- and LCAP-ready intelligence brief: your enrollment retention and college outcomes, benchmarked against your closest competitors, with a 5-year forecast, concrete steps to act on, and the rigor + outcomes story you can share with your families. Built from primary public data — prepared for you, not auto-generated.

✓Your 5-year enrollment forecast (currently 6.5%/yr) with the revenue at stake
✓Student-retention benchmarking vs your county median — and the LCAP evidence to back your goals

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At a glance

JSON · Using this page with an AI assistant

Sky Mountain Charter School is a public high school in Placerville, El Dorado County, California with 114 seniors in the Class of 2025.

26% of its graduates completed the A-G courses required for UC and CSU eligibility (California median 56%).

Enrollment was 621 students in 2026, up 13% since 2024.

Sources: University of California Office of the President (admissions), California Department of Education (enrollment, A-G, college-going), and the school's own published documents where named.

Questions families ask

What percentage of Sky Mountain Charter School graduates complete the A-G requirements? 26% of its graduates completed the A-G courses required for UC and CSU eligibility (California median 56%).

How many students attend Sky Mountain Charter School? Enrollment was 621 students in 2026, up 13% since 2024.

Analysis: Test Prep Gurus (High School Reach, highschoolreach.com). These figures may be quoted with attribution to Test Prep Gurus.

What does AI tell parents about Sky Mountain Charter School?

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