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SCHOOL COMMUNITY·CONSERVATORY LAB CHARTER·NCES 250006001439

Conservatory Lab Charter School

395 Columbia Rd, Dorchester, MA 02125 · (617) 254-8904 · Suffolk County
GRADES PK–08ELEMENTARY11-CITYCHARTERREGULAR SCHOOL454 STUDENTS
Enrollment
454
Elementary
STATE 381
Student : Teacher
16.5:1
27 FTE teachers
STATE 12.2:1
Free / Reduced Lunch
,
Title I proxy
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K4811%
Kindergarten4510%
Grade 15412%
Grade 25211%
Grade 35211%
Grade 45713%
Grade 55211%
Grade 6439%
Grade 7266%
Grade 8256%
Student demographics
58%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 65% · US 70%
White
174%
STATE 51% · US 43%
Hispanic
18641%
STATE 26% · US 30%
Black
22950%
STATE 10% · US 15%
Asian
51%
STATE 7% · US 6%
Two+
133%
STATE 5% · US 5%
Native American
31%
STATE 0% · US 1%
Pacific Islander
10%
STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
22149%
Female
23351%

Discussions

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Test scores

MCAS 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
38.0%
MA avg 43.8% . +4.0pp since 2016
Math
30.0%
MA avg 42.2% . +3.0pp since 2016

What this means: On the MCAS, Massachusetts's statewide test, about 38 of every 100 students at this school read and write at grade level and about 30 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores are up about 4 points since 2016, while math scores are up about 3 points.

MCAS results by year

School yearEnglish Language ArtsMath
2024-2538.0%30.0%
2023-2436.0%25.0%
2022-2345.0%29.0%
2021-2237.0%20.0%
2020-2134.0%18.0%
2018-1944.0%33.0%
2017-1841.0%30.0%
2016-1734.0%27.0%
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: MCAS. All students, all grades. See all years and grades →

Where Conservatory Lab Charter School ranks

Among elementary schools
MeasureThis schoolIn MassachusettsIn Suffolk County
Math proficiency
ranked highest first
30.0%#650 of 920#32 of 84
Reading proficiency
ranked highest first
38.0%#519 of 920#19 of 84
3-year test score change
ranked biggest gain first
+5.5pp#205 of 901#24 of 83
Enrollment
ranked largest first
454#333 of 1,086#37 of 94
Students per teacher
ranked fewest first
16.5:1#909 of 938#75 of 75
Diversity index
ranked most diverse first
57.5%#352 of 938#32 of 75
Enrollment change since 2017-18
ranked fastest growth first
+0.9%#307 of 317#20 of 21
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
454
-3 (-1%) vs 2020
+422% since 2000-01, when it was 87
Student : Teacher
16.5:1
was 15.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2545427.516.5:1N/A
2023-2444430.214.7:1N/A
2022-2345428.515.9:1N/A
2020-214572915.8:1N/A
2017-1845025.317.8:1N/A
2015-164032615.5:1N/A
2010-111541015.4:166% (102)
2000-0187N/AN/A0% (0)
Source: NCES Common Core of Data. Rows are the federal collections on file for Conservatory Lab Charter School.

About Conservatory Lab Charter School

Conservatory Lab Charter School is a medium-sized elementary school in Dorchester, Massachusetts, administered by Conservatory Lab Charter. Enrollment in 2024-25 was 454 students in pre-K through 8.

Conservatory Lab Charter School is listed under Conservatory Lab Charter in federal data.

Black students are the majority at Conservatory Lab Charter School, with 50% of enrollment. Other groups include 41% Hispanic, 4% White, and 3% multiracial. The county population is about 18% Black. Conservatory Lab Charter School's diversity index is 58%, against a US figure of 70%.

Conservatory Lab Charter School operates with 27.5 full-time-equivalent teachers, a ratio of about 16.5:1. That is higher than the 12.2:1 average for elementary schools in Massachusetts.

In Suffolk County (population about 785,121), the median household income is $95,631, roughly 51% of adults have a four-year degree or more, and the share of residents below the poverty line is 11%. There are 157 public schools in Suffolk County, enrolling about 75,679 students in all.

Nearby, Frederick Pilot Middle School is about 0.3 miles away. Within five miles of Conservatory Lab Charter School, there are at least 8 other public schools.

NCES lists the school's locale as City: Large. That means it sits inside a principal city with a population of 250,000 or more. Conservatory Lab Charter School operates as a charter school, which is publicly funded and run under a charter.

Enrollment in 2024-25 was 454, close to the 457 recorded in 2020-21.

Families, students, and staff can use this page to discuss enrollment questions, class placement, and PTA news at Conservatory Lab Charter School. Anyone with firsthand experience at this school can post or comment.

Suffolk County at a glance

View full county profile
Population
785,121
Census ACS
Median income
$95,631
Household, ACS
Bachelor's+
51%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
157
75,679 students

Quick facts

School name
Conservatory Lab Charter School
District
Conservatory Lab Charter
Address
395 Columbia Rd, Dorchester, MA 02125
Phone
(617) 254-8904
County
Suffolk County
Level
Elementary
Grade range
PK–08
Total enrollment
454
Teachers (FTE)
27
Student–teacher ratio
16.5:1
Locale
11-City: Large
NCES ID
250006001439
Charter school
Yes
Virtual school
No

Related schools

Other schools in Dorchester
Nearby schools

Frequently asked questions

About Conservatory Lab Charter School
How many students attend Conservatory Lab Charter School?
Conservatory Lab Charter School enrolls approximately 454 students in grades PK-08.
What grades does Conservatory Lab Charter School serve?
Conservatory Lab Charter School serves grades PK-08.
What is the student-teacher ratio at Conservatory Lab Charter School?
The student-to-teacher ratio at Conservatory Lab Charter School is approximately 16.5:1 (27 FTE teachers).
How diverse is Conservatory Lab Charter School?
Conservatory Lab Charter School reports a student body of 4% White, 41% Hispanic, 50% Black, 1% Asian, 3% Two or more.
Who oversees Conservatory Lab Charter School?
Conservatory Lab Charter School is overseen by Conservatory Lab Charter in Suffolk County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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