CIV
79%
Meeting or exceeding expectations
22% exceeding expectations
A+
Top 1%
Ottoson Middle School
Grades 07-08 ARLINGTON, MA
Moved up 13 places from 2024 to 2025
#4
State Rank
A+
District Grade
63 Acton Street, ARLINGTON, MA 02476
MCAS score comparisons
Students meeting or exceeding expectations · 2025 results
Each subject shows the average of published grade percentages, without weighting by enrollment. The bars compare available years on a 0–100% scale. Grade coverage and student groups can change between years.
English Language Arts
80%
Meeting or exceeding expectations
30.5% exceeding expectations
2023
74%
74%
2024
72%
72%
2025
80%
80%
Mathematics
76%
Meeting or exceeding expectations
23.5% exceeding expectations
2023
74.5%
74.5%
2024
74.5%
74.5%
2025
76%
76%
Science
75%
Meeting or exceeding expectations
22% exceeding expectations
2023
73%
73%
2024
73%
73%
2025
75%
75%
View published results by year and grade
| Year | Subject | Grade | Meeting+ | Exceeding |
|---|---|---|---|---|
| 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% |
| 2023 | Science | 08 | 73% | 22% |
MCAS subject percentages differ from the composite school rating, which combines available academic and school indicators. Letter grades and state ranks compare schools at the same level. A rank change describes relative position, not a percentage-point change in test scores. Read the rating methodology.
Student Demographics
977 students enrolled
Race/Ethnicity
Gender
49.5%
Male
49.5%
Female
Student Programs
English Learners
2.4%
Special Education
18%
Free/Reduced Lunch
10.4%
School Performance
Key metrics and program information
Attendance
95.2%
Attendance Rate
8.6%
Chronic Absence
Staffing
A+-Rated School
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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 977 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 95.2%. 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.
