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B+

Sky Mountain Charter

PublicOtherGrades K–12Charter

4535 Missouri Flat Rd. Ste. 1A, Placerville, CA 95667 · (800) 976-4436

Diamond Springs’ School Grade B+ better than 69% of California school districts

Directions
Students
2,511
Students per teacher
23:1
Free or reduced lunch
37%
Setting
Town
Grades
K–12
The gist

What stands out about Sky Mountain Charter

  • Its own letter, B+: better results than 71% of California’s public schools
  • Math proficiency 8 pts above the state
  • Reading / language arts 8 pts above the state
  • Larger classes: 23 students per teacher
  • Enrollment up 14.9% since 2020–21

Test scores

2020–21
Math proficiency42%
State average 33.6%
Reading / language arts57%
State average 48.6%

Its own letter, B+, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

4535 Missouri Flat Rd. Ste. 1A, Placerville

Students

Enrollment by grade
Kindergarten246
Grade 1193
Grade 2184
Grade 3251
Grade 4200
Grade 5212
Grade 6220
Grade 7224
Grade 8198
Grade 9150
Grade 10165
Grade 11154
Grade 12114
Enrollment over time
2,185’20
2,155’21
2,138’22
2,360’23
2,511’24

Up 14.9% since 2020–21.

Who goes here
Hispanic 41%White 31%Two or more races 18%Asian 6%Black 3%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Sky Mountain Charter from Diamond Springs families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; Diamond Springs’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.