Conservatory Lab Charter School
Grades PK-08 BOSTON, MA
Dropped 4 spots from last year
MCAS Test Scores
Massachusetts Comprehensive Assessment System results
CIV
English Language Arts
Mathematics
Science
Score Trends
| Year | Subject | Grade | Proficient+ | Advanced |
|---|---|---|---|---|
| 2025 | CIV | 08 | 12% | 0% |
| 2025 | English Language Arts | 03 | 38% | 6% |
| 2025 | English Language Arts | 04 | 33% | 7% |
| 2025 | English Language Arts | 05 | 33% | 4% |
| 2025 | English Language Arts | 06 | 51% | 7% |
| 2025 | English Language Arts | 07 | 40% | 4% |
| 2025 | English Language Arts | 08 | 32% | 0% |
| 2025 | Mathematics | 03 | 35% | 10% |
| 2025 | Mathematics | 04 | 33% | 5% |
| 2025 | Mathematics | 05 | 27% | 6% |
| 2025 | Mathematics | 06 | 33% | 0% |
| 2025 | Mathematics | 07 | 28% | 0% |
| 2025 | Mathematics | 08 | 16% | 0% |
| 2025 | Science | 05 | 26% | 4% |
| 2025 | Science | 08 | 20% | 0% |
MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.
Student Demographics
454 students enrolled
Race/Ethnicity
Gender
Student Programs
School Performance
Key metrics and program information
Attendance
Staffing
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Frequently Asked Questions
What is Conservatory Lab Charter School's grade rating?
Conservatory Lab Charter School has earned a grade of C, ranked #261 in Massachusetts, placing it in the top 74% of Massachusetts Combined schools. This rating is based on 2025 MCAS test scores, attendance rates, and other performance metrics from the Massachusetts Department of Elementary and Secondary Education.
How many students attend Conservatory Lab Charter School?
Approximately 454 students are enrolled at Conservatory Lab Charter School.
How does Conservatory Lab Charter School perform on MCAS tests?
Based on the most recent MCAS results, Conservatory Lab Charter School's proficiency rates are: CIV (12% proficient), English Language Arts (38% proficient), Mathematics (29% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.
What is the attendance rate at Conservatory Lab Charter School?
Conservatory Lab Charter School has an attendance rate of 92.3%. Strong attendance is correlated with better academic outcomes.
What school district is Conservatory Lab Charter School part of?
Conservatory Lab Charter School is part of Boston School District. For enrollment information, contact the district office or visit the school's website. Enrollment typically requires proof of residency within the district boundaries.
How are Massachusetts school ratings calculated?
School ratings are calculated using multiple data points from the Massachusetts Department of Elementary and Secondary Education (DESE), including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. Schools are ranked by percentile against similar schools statewide.