Serving 340 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 9:1 is lower than the New York state level of 11:1.
Minority enrollment is 5% of the student body (majority Hispanic and Asian), which is lower than the New York state average of 60% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 340 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 5%
- 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
School Overview
H C Williams Senior High School's student population of 340 students has declined by 16% over five school years.
The teacher population of 38 teachers has grown by 35% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
340 students
Gender %
Total Classroom Teachers
38 teachers
School Calendar
First Day of School
Tue. Sep 2, 2025
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 0.10, which is less than the diversity score at state average of 0.72. 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
9:1
11:1
American Indian
n/a
1%
Asian
1%
10%
Hispanic
1%
30%
Black
n/a
16%
White
95%
40%
Hawaiian
n/a
n/a
Two or more races
3%
3%
All Ethnic Groups
Graduation Rate
90-94%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
42%
54%
Eligible for Reduced Lunch
2%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Profile last updated: 02/09/2025
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?
340 students attend H C Williams Senior High School.
What is the racial composition of the student body?
95% of H C Williams Senior High School students are White, 3% of students are Two or more races, 1% of students are Asian, and 1% of students are Hispanic.
What is the student:teacher ratio of H C Williams Senior High School?
H C Williams Senior High School has a student ration of 9:1, 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.
School Reviews
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