Ottoson Middle School
Grades 07-08 ARLINGTON, MA
Improved 13 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 | 79% | 22% |
| 2025 | English Language Arts | 07 | 78% | 25% |
| 2025 | English Language Arts | 08 | 82% | 36% |
| 2025 | Mathematics | 07 | 76% | 25% |
| 2025 | Mathematics | 08 | 76% | 22% |
| 2025 | Science | 08 | 75% | 22% |
| 2024 | English Language Arts | 07 | 68% | 15% |
| 2024 | English Language Arts | 08 | 76% | 37% |
| 2024 | Mathematics | 07 | 74% | 24% |
| 2024 | Mathematics | 08 | 75% | 19% |
| 2024 | Science | 08 | 73% | 21% |
| 2023 | English Language Arts | 07 | 70% | 23% |
| 2023 | English Language Arts | 08 | 78% | 31% |
| 2023 | Mathematics | 07 | 72% | 17% |
| 2023 | Mathematics | 08 | 77% | 15% |
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
963 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 Ottoson Middle School's grade rating?
Ottoson Middle School has earned a grade of A+, ranked #4 in Massachusetts, placing it in the top 1% of Massachusetts Middle 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 Ottoson Middle School?
Approximately 963 students are enrolled at Ottoson Middle School.
How does Ottoson Middle School perform on MCAS tests?
Based on the most recent MCAS results, Ottoson Middle School's proficiency rates are: CIV (79% proficient), English Language Arts (80% proficient), Mathematics (76% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.
What is the attendance rate at Ottoson Middle School?
Ottoson Middle School has an attendance rate of 95.1%. Strong attendance is correlated with better academic outcomes.
What school district is Ottoson Middle School part of?
Ottoson Middle School is part of Arlington 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.