For the 2026 school year, there are 2 public charter schools serving 124 students in Lake County, CA.
The top-ranked public charter school in Lake County, CA is Lake County International Charter. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Lake County, CA public charter schools have an average math proficiency score of 45% (versus the California public charter school average of 32%), and reading proficiency score of 34% (versus the 48% statewide average). Charter schools in Lake County have an average ranking of 5/10, which is in the bottom 50% of California public charter schools.
Minority enrollment is 30% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).
Best Public Charter Schools in Lake County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Lake County International Charter
Charter School
(Math: 40-49% | Reading: 30-39%)
Rank:
Rank:
6/
Top 50%10
15850 Armstrong St.
Middletown, CA 95461
(707) 987-3063
Middletown, CA 95461
(707) 987-3063
Gr: K-8 | 86 students Student-teacher ratio: 22:1 Minority enrollment: 33%
Rank: n/an/a
Shade Canyon
Charter School
4335 Sylar Ln.
Kelseyville, CA 95451
(707) 245-7757
Kelseyville, CA 95451
(707) 245-7757
Gr: K-8 | 38 students Student-teacher ratio: 19:1 Minority enrollment: 23%
Lake County Public Schools (Closed)
School
Location
Quick Facts
Clearlake Community High School (Closed 2015)
Alternative School
6945 Old Highway 53
Clearlake, CA 95422
(707) 995-9523
Clearlake, CA 95422
(707) 995-9523
Gr: 7-12
The Grove Middle School (Closed 2014)
Alternative School
635 First St
Upper Lake, CA 95485
(707) 275-0327
Upper Lake, CA 95485
(707) 275-0327
Gr: 6-8
13412 Bottle Rock Rd
Cobb, CA 95426
(707) 928-4831
Cobb, CA 95426
(707) 928-4831
Gr: 9-12 | 5 students Student-teacher ratio: 3:1
Intermountain Stem Academy Charter (Closed 2018)
Charter School
13412 Bottle Rock Rd.
Kelseyville, CA 95451
(707) 928-4873
Kelseyville, CA 95451
(707) 928-4873
Gr: 5-8 | 13 students Student-teacher ratio: 7:1 Minority enrollment: 23%
Kelseyville Elementary Community Day (Closed 2014)
Alternative School
3980 Gard St
Kelseyville, CA 95451
(707) 279-8414
Kelseyville, CA 95451
(707) 279-8414
Gr: K-6
Konocti Community Day (Closed 2009)
Alternative School
15850-b Dam Rd.
Lower Lake, CA 95457
(707) 994-6287
Lower Lake, CA 95457
(707) 994-6287
Gr: 6-8 | 8 students Student-teacher ratio: 8:1
Konocti Education Center (Closed 2023)
Alternative School
15850-a Dam Rd. Extention
Clearlake, CA 95422
(707) 994-6447
Clearlake, CA 95422
(707) 994-6447
Gr: 4-12 | 326 students Student-teacher ratio: 19:1 Minority enrollment: 61%
Lake County Middle School Community Day (Closed 2013)
Alternative School
6945 Old Hwy 53
Clearlake, CA 95422
(707) 995-9523
Clearlake, CA 95422
(707) 995-9523
Gr: 6-8
Middletown Community Day (Closed 2023)
Alternative School
20932 Big Canyon Rd.
Middletown, CA 95461
(707) 987-4185
Middletown, CA 95461
(707) 987-4185
Gr: 7-12
Middletown Elementary Community Day (Closed 2023)
Alternative School
20932 Big Canyon Rd.
Middletown, CA 95461
(707) 987-4187
Middletown, CA 95461
(707) 987-4187
Gr: K-6
Renaissance Court (Closed 2023)
Alternative School
1111 Whalen Way
Lakeport, CA 95453
(707) 262-4152
Lakeport, CA 95453
(707) 262-4152
Gr: K-12
10505 Fairway
Kelseyville, CA 95451
(707) 279-8414
Kelseyville, CA 95451
(707) 279-8414
Gr: 9-12 | 5 students Student-teacher ratio: 3:1 Minority enrollment: 39%
1777 West Avenue
Hidden Valley Lake, CA 95467
(707) 546-7050
Hidden Valley Lake, CA 95467
(707) 546-7050
Gr: 7-8 | 142 students Student-teacher ratio: 24:1 Minority enrollment: 83%
Frequently Asked Questions
What are the top-ranked public charter schools in Lake County, CA?
The top-ranked public charter schools in Lake County, CA include Lake County International Charter.
How many public charter schools are located in Lake County?
2 public charter schools are located in Lake County.
What is the racial composition of students in Lake County?
Lake County public charter schools minority enrollment is 30% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).