Serving 332 students in grades 9-12, H C Williams Senior High School ranks in the top 5% of all schools in New York for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is ≥90% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is ≥80% (which is higher than the New York state average of 49%).
The student-teacher ratio of 10:1 is lower than the New York state level of 11:1.
Minority enrollment is 7% of the student body (majority Hispanic and Black), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 332 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 7%
- Graduation Rate: 90-94% (Top 50% in NY)
- Overall Testing Rank: Top 5%
- Math Proficiency: ≥90% (Top 5%)
- Reading Proficiency: ≥80% (Top 10%)
- Science Proficiency: ≥95% (Top 5%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
H C Williams Senior High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Student Attention
School Overview
H C Williams Senior High School's student population of 332 students has declined by 7% over five school years.
The teacher population of 34 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
332 students
Total Classroom Teachers
34 teachers
School Rankings
H C Williams Senior High School ranks within the top 5% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of H C Williams Senior High School is 0.13, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#179 out of 4346 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
≥90%
52%
Reading/Language Arts Test Scores (% Proficient)
≥80%
49%
Science Test Scores (% Proficient)
≥95%
78%
Student-Teacher Ratio
10:1
11:1
American Indian
n/a
1%
Asian
1%
10%
Hispanic
2%
31%
Black
1%
15%
White
93%
39%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
90-94%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
39%
55%
Eligible for Reduced Lunch
2%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is H C Williams Senior High School's ranking?
H C Williams Senior High School is ranked #179 out of 4,346 schools, which ranks it among the top 5% of public schools in New York.
What schools are H C Williams Senior High School often compared to?
H C Williams Senior High Schoolis often viewed alongside schools like Potsdam Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≥90% of students have achieved math proficiency (compared to the 52% NY state average), while ≥80% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of H C Williams Senior High School?
The graduation rate of H C Williams Senior High School is 90-94%, which is higher than the New York state average of 87%.
How many students attend H C Williams Senior High School?
332 students attend H C Williams Senior High School.
What is the racial composition of the student body?
93% of H C Williams Senior High School students are White, 3% of students are Two or more races, 2% of students are Hispanic, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of H C Williams Senior High School?
H C Williams Senior High School has a student ration of 10:1, which is lower than the New York state average of 11:1.
What grades does H C Williams Senior High School offer ?
H C Williams Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is H C Williams Senior High School part of?
H C Williams Senior High School is part of Canton Central School District.
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