For the 2026 school year, there are 3 public schools serving 1,566 students in Castalia, OH (there are 1 private school, serving 46 private students). 97% of all K-12 students in Castalia, OH are educated in public schools (compared to the OH state average of 88%).
The top-ranked public schools in Castalia, OH are Margaretta Elementary School, Margaretta High School and Townsend Community School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Castalia, OH public schools have an average math proficiency score of 55% (versus the Ohio public school average of 55%), and reading proficiency score of 59% (versus the 60% statewide average). Schools in Castalia have an average ranking of 4/10, which is in the bottom 50% of Ohio public schools.
Minority enrollment is 16% of the student body (majority Hispanic), which is less than the Ohio public school average of 35% (majority Black).
Best Public Schools in Castalia, OH (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Margaretta Elementary School
(Math: 83% | Reading: 68%)
Rank:
Rank:
8/
Top 30%10
5906 Bogart Rd W
Castalia, OH 44824
(419) 684-5357
Castalia, OH 44824
(419) 684-5357
Gr: PK-5 | 536 students Student-teacher ratio: 17:1 Minority enrollment: 9%
Rank: #22.
Margaretta High School
(Math: 46% | Reading: 66%)
Rank:
Rank:
5/
Bottom 50%10
209 Lowell St
Castalia, OH 44824
(419) 684-5351
Castalia, OH 44824
(419) 684-5351
Gr: 6-12 | 536 students Student-teacher ratio: 17:1 Minority enrollment: 10%
Rank: #33.
Townsend Community School
Charter School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
207 Lowell St
Castalia, OH 44824
(419) 684-5402
Castalia, OH 44824
(419) 684-5402
Gr: 9-12 | 494 students Student-teacher ratio: 31:1 Minority enrollment: 31%
Castalia, Ohio Public Schools (Closed)
School
Location
Quick Facts
5906 Bogart Rd W
Castalia, OH 44824
(419) 684-5357
Castalia, OH 44824
(419) 684-5357
Gr: PK-3 | 380 students Student-teacher ratio: 21:1 Minority enrollment: 1%
Frequently Asked Questions
What are the top-ranked public schools in Castalia, OH?
The top-ranked public schools in Castalia, OH include Margaretta Elementary School, Margaretta High School and Townsend Community School.
How many public schools are located in Castalia?
3 public schools are located in Castalia.
What percentage of students in Castalia go to public school?
97% of all K-12 students in Castalia are educated in public schools (compared to the OH state average of 88%).
What is the racial composition of students in Castalia?
Castalia public schools minority enrollment is 16% of the student body (majority Hispanic), which is less than the Ohio public schools average of 35% (majority Black).
Recent Articles
How to Evaluate School Safety Beyond Headlines
Learn how to evaluate school safety beyond headlines by examining reliable data, school climate, emergency planning, bullying prevention, communication, student experiences, and everyday security practices before choosing a school.
Choosing a Public School for Executive Function Needs
Learn how to choose a public school for a child with executive function challenges by evaluating routines, classroom support, organization, accommodations, communication, transitions, and special education services before enrollment.
What School Climate Surveys Tell You Before Enrolling
Learn how school climate surveys reveal student safety, belonging, relationships, engagement, and support, and how families can interpret results carefully before choosing a public school for their child today.