For the 2026 school year, there are 4 public charter schools serving 771 students in Key West, FL.
The top-ranked public charter schools in Key West, FL are Sigsbee Charter School, Somerset Island Prep and May Sands Montessori School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Key West, FL public charter schools have an average math proficiency score of 64% (versus the Florida public charter school average of 58%), and reading proficiency score of 69% (versus the 59% statewide average). Charter schools in Key West have an average ranking of 8/10, which is in the top 30% of Florida public charter schools.
Minority enrollment is 39% of the student body (majority Hispanic), which is less than the Florida public charter school average of 72% (majority Hispanic).
Best Public Charter Schools in Key West, FL (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sigsbee Charter School
Charter School
(Math: 73% | Reading: 73%)
Rank:
Rank:
9/
Top 20%10
939 Felton Rd
Key West, FL 33040
(305) 294-1861
Key West, FL 33040
(305) 294-1861
Gr: K-8 | 531 students Student-teacher ratio: 106:1 Minority enrollment: 35%
Rank: #22.
Somerset Island Prep
Charter School
(Math: 30-39% | Reading: 50-59%)
Rank:
Rank:
5/
Bottom 50%10
1908 Flagler Ave
Key West, FL 33040
(305) 296-5927
Key West, FL 33040
(305) 296-5927
Gr: 9-12 | 88 students Minority enrollment: 59%
Rank: #33.
May Sands Montessori School
Charter School
(Math: 20-29% | Reading: 40-49%)
Rank:
Rank:
3/
Bottom 50%10
1400 United St Ste 110
Key West, FL 33040
(305) 293-1400
Key West, FL 33040
(305) 293-1400
Gr: PK-8 | 90 students Student-teacher ratio: 90:1 Minority enrollment: 37%
Rank: n/an/a
The College Of The Florida Keys Academy
Charter School
5901 College Rd
Key West, FL 33040
(305) 296-9081
Key West, FL 33040
(305) 296-9081
Gr: 9-12 | 62 students Student-teacher ratio: 62:1 Minority enrollment: 40%
Frequently Asked Questions
What are the top-ranked public charter schools in Key West, FL?
The top-ranked public charter schools in Key West, FL include Sigsbee Charter School, Somerset Island Prep and May Sands Montessori School.
How many public charter schools are located in Key West?
4 public charter schools are located in Key West.
What is the racial composition of students in Key West?
Key West public charter schools minority enrollment is 39% of the student body (majority Hispanic), which is less than the Florida public charter schools average of 72% (majority Hispanic).
Which public charter schools in Key West are often viewed compared to one another?
Popular comparisons of public charter schools in Key West include: May Sands Montessori School vs. Sigsbee Charter School
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.
