William Diamond Middle School
Grades 06-08 LEXINGTON, MA
Dropped 8 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 | 70% | 15% |
| 2025 | English Language Arts | 06 | 75% | 34% |
| 2025 | English Language Arts | 07 | 74% | 23% |
| 2025 | English Language Arts | 08 | 77% | 30% |
| 2025 | Mathematics | 06 | 76% | 31% |
| 2025 | Mathematics | 07 | 83% | 46% |
| 2025 | Mathematics | 08 | 79% | 34% |
| 2025 | Science | 08 | 76% | 21% |
| 2024 | English Language Arts | 06 | 72% | 31% |
| 2024 | English Language Arts | 07 | 66% | 19% |
| 2024 | English Language Arts | 08 | 76% | 29% |
| 2024 | Mathematics | 06 | 77% | 35% |
| 2024 | Mathematics | 07 | 81% | 43% |
| 2024 | Mathematics | 08 | 89% | 41% |
| 2024 | Science | 08 | 78% | 24% |
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
936 students enrolled
Race/Ethnicity
Gender
Student Programs
Frequently Asked Questions
What is William Diamond Middle School's letter grade?
William Diamond Middle School has earned a letter grade of A+, based on MCAS test scores, attendance, and other performance metrics. This grade represents how the school compares to other Massachusetts Middle schools.
What grades does William Diamond Middle School serve?
William Diamond Middle School serves students in grades 06 through 08.
Is William Diamond Middle School part of a school district?
Yes, William Diamond Middle School is part of Lexington School District. The district oversees multiple schools in the area and provides centralized administration, curriculum standards, and support services.
How are school ratings calculated?
School ratings are calculated using multiple factors including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. The composite score is then converted to a letter grade based on statewide percentile rankings.