For the 2026-27 school year, there is 1 public high school serving 382 students in Sinclairville, NY.
The top-ranked public high school in Sinclairville, NY is Cassadaga Valley Middle/high School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sinclairville, NY public high school have an average math proficiency score of 32% (versus the New York public high school average of 55%), and reading proficiency score of 57% (versus the 59% statewide average). High schools in Sinclairville have an average ranking of 2/10, which is in the bottom 50% of New York public high schools.
Sinclairville, NY public high school have a Graduation Rate of 92%, which is more than the New York average of 89%.
The school with highest graduation rate is Cassadaga Valley Middle/high School, with 90-94% graduation rate. Read more about public school graduation rate statistics in New York or national school graduation rate statistics.
Minority enrollment is 8% of the student body (majority Hispanic), which is less than the New York public high school average of 62% (majority Hispanic).
Best Public High Schools in Sinclairville, NY (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cassadaga Valley Middle/high School
(Math: 30-34% | Reading: 55-59%)
Rank:
Rank:
5/
Bottom 50%10
5935 Rt 60
Sinclairville, NY 14782
(716) 962-8581
Sinclairville, NY 14782
(716) 962-8581
Gr: 6-12 | 382 students Student-teacher ratio: 9:1 Minority enrollment: 8%
Frequently Asked Questions
What are the top-ranked public high schools in Sinclairville, NY?
The top-ranked public high schools in Sinclairville, NY include Cassadaga Valley Middle/high School.
How many public high schools are located in Sinclairville?
1 public high schools are located in Sinclairville.
What is the racial composition of students in Sinclairville?
Sinclairville public high schools minority enrollment is 8% of the student body (majority Hispanic), which is less than the New York public high schools average of 62% (majority Hispanic).
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