Serving 444 students in grades Prekindergarten-8, Conservatory Lab Charter School ranks in the bottom 50% of all schools in Massachusetts for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 20% (which is lower than the Massachusetts state average of 41%). The percentage of students achieving proficiency in reading/language arts is 37% (which is lower than the Massachusetts state average of 44%).
The student:teacher ratio of 15:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 96% of the student body (majority Black), which is higher than the Massachusetts state average of 47% (majority Hispanic and Black).
Quick Stats (2025)
- School Type: Charter School
- Grades: Prekindergarten-8
- Enrollment: 444 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 96%
- Overall Testing Rank: Bottom 50% in MA
- Math Proficiency: 20% (Btm 50%)
- Reading Proficiency: 37% (Btm 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
School Overview
Conservatory Lab Charter School's student population of 444 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has grown by 20% over five school years.
School Type
Grades Offered
Grades Prekindergarten-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
444 students
Gender %
Total Classroom Teachers
30 teachers
School Rankings
Conservatory Lab Charter School ranks within the bottom 50% of all 1,631 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Conservatory Lab Charter School is 0.59, which is less than the diversity score at state average of 0.65. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1200 out of 1631 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20%
41%
Reading/Language Arts Test Scores (% Proficient)
37%
44%
Science Test Scores (% Proficient)
30-34%
44%
Student : Teacher Ratio
15:1
12:1
American Indian
n/a
n/a
Asian
2%
7%
Hispanic
42%
25%
Black
49%
10%
White
4%
53%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
44%
35%
Eligible for Reduced Lunch
13%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Conservatory Lab Charter School's ranking?
Conservatory Lab Charter School is ranked #1200 out of 1,631 schools, which ranks it among the bottom 50% of public schools in Massachusetts.
What schools are Conservatory Lab Charter School often compared to?
Conservatory Lab Charter Schoolis often viewed alongside schools like Boston Renaissance Charter Public School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20% of students have achieved math proficiency (compared to the 41% MA state average), while 37% of students have achieved reading proficiency (compared to the 44% MA state average).
How many students attend Conservatory Lab Charter School?
444 students attend Conservatory Lab Charter School.
What is the racial composition of the student body?
49% of Conservatory Lab Charter School students are Black, 42% of students are Hispanic, 4% of students are White, 3% of students are Two or more races, and 2% of students are Asian.
What is the student:teacher ratio of Conservatory Lab Charter School?
Conservatory Lab Charter School has a student ration of 15:1, which is higher than the Massachusetts state average of 12:1.
What grades does Conservatory Lab Charter School offer ?
Conservatory Lab Charter School offers enrollment in grades Prekindergarten-8 (Supplemental Virtual).
What school district is Conservatory Lab Charter School part of?
Conservatory Lab Charter School is part of Conservatory Lab Charter School District.
In what neighborhood is Conservatory Lab Charter School located?
Conservatory Lab Charter School is located in the Cedar Grove neighborhood of Dorchester, MA.
School Reviews
Review Conservatory Lab Charter 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
Taxes, Investments and Loans: Learning Financial Literacy in High School
While reading, writing, and arithmetic are the foundation of a child's education, financial literacy is growing in importance as well. Learn about public schools that are teaching financial literacy to their students.
Is Your Public School Understaffed? Why Schools are Instituting Hiring Freezes
Explore the trend of hiring freezes in public schools and their impact on education. Learn why schools are implementing these measures and what it means for students and staff.
43 Fantastic ESL Resources for Students
We've put together this ESL resource guide to help students, from teens to adults, get the help they need to achieve their goals with learning English
