Serving 452 students in grades 6-9, William J. Johnston Middle School ranks in the top 30% of all schools in Connecticut 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 Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 65% (which is higher than the Connecticut state average of 50%).
The student-teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 19% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-9
- Enrollment: 452 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 19%
- Overall Testing Rank: Top 30% in CT
- Math Proficiency: 67% (Top 20%)
- Reading Proficiency: 65% (Top 50%)
- Science Proficiency: 70-74% (Top 20%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
William J. Johnston Middle School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Math Proficiency
Science Proficiency
Student Attention
School Overview
William J. Johnston Middle School's student population of 452 students has declined by 9% over five school years.
The teacher population of 43 teachers has grown by 7% over five school years.
Grades Offered
Grades 6-9
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
452 students
Total Classroom Teachers
43 teachers
School Calendar
Last Day of School
Sat. Jun 13, 2026
School Motto
Respect for All
School Rankings
William J. Johnston Middle School ranks within the top 30% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of William J. Johnston Middle School is 0.33, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#234 out of 939 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
67%
41%
Reading/Language Arts Test Scores (% Proficient)
65%
50%
Science Test Scores (% Proficient)
70-74%
47%
Student-Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
2%
5%
Hispanic
10%
32%
Black
2%
12%
White
81%
46%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Eligible for Free Lunch
18%
38%
Eligible for Reduced Lunch
4%
6%
School Statewide Testing
School District Name
Colchester School District
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is William J. Johnston Middle School's ranking?
William J. Johnston Middle School is ranked #234 out of 939 schools, which ranks it among the top 30% of public schools in Connecticut.
What schools are William J. Johnston Middle School often compared to?
William J. Johnston Middle Schoolis often viewed alongside schools like Griswold Middle 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 41% CT state average), while 65% of students have achieved reading proficiency (compared to the 50% CT state average).
How many students attend William J. Johnston Middle School?
452 students attend William J. Johnston Middle School.
What is the racial composition of the student body?
81% of William J. Johnston Middle School students are White, 10% of students are Hispanic, 5% of students are Two or more races, 2% of students are Asian, and 2% of students are Black.
What is the student-teacher ratio of William J. Johnston Middle School?
William J. Johnston Middle School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does William J. Johnston Middle School offer ?
William J. Johnston Middle School offers enrollment in grades 6-9 (Supplemental Virtual).
What school district is William J. Johnston Middle School part of?
William J. Johnston Middle School is part of Colchester School District.
In what neighborhood is William J. Johnston Middle School located?
William J. Johnston Middle School is located in the Colchester Center neighborhood of Colchester, CT. There are 2 other public schools located in Colchester Center.
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