Serving 914 students in grades 9-12, Grafton High School ranks in the top 10% of all schools in Massachusetts for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 67% (which is higher than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 13:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 27% of the student body (majority Asian and Hispanic), which is lower than the Massachusetts state average of 49% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 914 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 27%
- Graduation Rate: ≥99% (Top 1% in MA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 67% (Top 20%)
- Reading Proficiency: 70-74% (Top 10%)
- Science Proficiency: 65-69% (Top 20%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Grafton High School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Grafton High School's student population of 914 students has stayed relatively flat over five school years.
The teacher population of 71 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
914 students
Total Classroom Teachers
71 teachers
School Rankings
Grafton High School ranks within the top 10% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Grafton High School is 0.45, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#154 out of 1626 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
67%
42%
Reading/Language Arts Test Scores (% Proficient)
70-74%
44%
Science Test Scores (% Proficient)
65-69%
44%
Student-Teacher Ratio
13:1
12:1
American Indian
n/a
n/a
Asian
11%
8%
Hispanic
10%
26%
Black
3%
10%
White
73%
51%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
≥99%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
9%
34%
Eligible for Reduced Lunch
3%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Grafton High School's ranking?
Grafton High School is ranked #154 out of 1,626 schools, which ranks it among the top 10% of public schools in Massachusetts.
What schools are Grafton High School often compared to?
Grafton High Schoolis often viewed alongside schools like Sutton High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
67% of students have achieved math proficiency (compared to the 42% MA state average), while 70-74% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Grafton High School?
The graduation rate of Grafton High School is 99%, which is higher than the Massachusetts state average of 90%.
How many students attend Grafton High School?
914 students attend Grafton High School.
What is the racial composition of the student body?
73% of Grafton High School students are White, 11% of students are Asian, 10% of students are Hispanic, 3% of students are Black, and 3% of students are Two or more races.
What is the student-teacher ratio of Grafton High School?
Grafton High School has a student ration of 13:1, which is higher than the Massachusetts state average of 12:1.
What grades does Grafton High School offer ?
Grafton High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Grafton High School part of?
Grafton High School is part of Grafton School District.
In what neighborhood is Grafton High School located?
Grafton High School is located in the North Grafton neighborhood of Grafton, MA. There are 1 other public schools located in North Grafton.
School Reviews
Review Grafton High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
