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Public School Review - Established 2003

Best Sherburne County Public Charter Schools (2026)

For the 2026 school year, there are 6 public charter schools serving 991 students in Sherburne County, MN.
The top-ranked public charter schools in Sherburne County, MN are Spectrum High School, Spectrum Middle School - Grade 6 and Spectrum Middle School - Grades 7-8. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sherburne County, MN public charter schools have an average math proficiency score of 39% (versus the Minnesota public charter school average of 31%), and reading proficiency score of 70% (versus the 42% statewide average). Charter schools in Sherburne County have an average ranking of 9/10, which is in the top 20% of Minnesota public charter schools.
Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Minnesota public charter school average of 66% (majority Black).

Best Public Charter Schools in Sherburne County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Spectrum High School
Charter School
(Math: 50-54% | Reading: 75-79%)
Rank:
9/
10
Top 20%
17796 Industrial Circle Nw
Elk River, MN 55330
(763) 450-9845
Gr: 9-12 | 502 students Student-teacher ratio: 17:1 Minority enrollment: 16%
Rank: #22.
Spectrum Middle School - Grade 6
Charter School
(Math: 45-49% | Reading: 75-79%)
Rank:
8/
10
Top 30%
11044 Industrial Circle Nw
Elk River, MN 55330
(763) 241-8703
Gr: 6 | 147 students Student-teacher ratio: 16:1 Minority enrollment: 12%
Rank: #33.
Spectrum Middle School - Grades 7-8
Charter School
(Math: 36% | Reading: 68%)
Rank:
7/
10
Top 50%
17823 Industrial Circle Nw
Elk River, MN 55330
(763) 241-8703
Gr: 7-8 | 291 students Student-teacher ratio: 17:1 Minority enrollment: 12%
Rank: #44.
Three Rivers Montessori School
Charter School
(Math: 15-19% | Reading: 40-49%)
Rank:
3/
10
Bottom 50%
17267 Yale St Nw
Elk River, MN 55330
(763) 595-1213
Gr: K-6 | 119 students Student-teacher ratio: 17:1 Minority enrollment: 11%
Rank: n/an/a
Spectrum Online High School
Charter School
17796 Industrial Circle Nw
Elk River, MN 55330
(763) 241-8703
Gr: 9-12
Rank: n/an/a
Spectrum Online Middle School
Charter School
17796 Industrial Circle Nw
Elk River, MN 55330
(763) 241-8703
Gr: 6-8

Frequently Asked Questions

What are the top-ranked public charter schools in Sherburne County, MN?
The top-ranked public charter schools in Sherburne County, MN include Spectrum High School, Spectrum Middle School - Grade 6 and Spectrum Middle School - Grades 7-8.
How many public charter schools are located in Sherburne County?
6 public charter schools are located in Sherburne County.
What is the racial composition of students in Sherburne County?
Sherburne County public charter schools minority enrollment is 13% of the student body (majority Hispanic), which is less than the Minnesota public charter schools average of 66% (majority Black).

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