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Test scores

Peter Thacher Elementary School · Attleboro, MA
See how it ranks: all Massachusetts schools by score · Bristol County schools by score

MCAS, SY 2024-25

All grades, all students. % Meeting or Exceeding Expectations.
English Language Arts
42.0%
State avg 43.8%
District avg 39.9%
County avg 37.2%
-17.0pp since 2016-17
Mathematics
44.0%
State avg 42.2%
District avg 39.6%
County avg 34.6%
-16.0pp since 2016-17
Science
N/A
State avg 44.2%
District avg 38.4%
County avg 35.2%

What this means: On the MCAS, Massachusetts's statewide test, about 42 of every 100 students at this school read and write at grade level and about 44 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores are down about 17 points since 2016, while math scores are down about 16 points.

By grade, SY 2024-25

School score vs state average per tested grade.
GradeEnglish Language ArtsMathematicsScience
SchoolStaten testedSchoolStaten testedSchoolStaten tested
Grade 348.0%43.4%8947.0%44.4%89N/AN/AN/A
Grade 436.0%41.2%7640.0%43.6%77N/AN/AN/A

Performance levels, SY 2024-25

Share of tested students at each MCAS level.

English Language Arts

GradeExceeding ExpectationsMeeting ExpectationsPartially Meeting ExpectationsNot Meeting Expectations
Grade 34.0%44.0%29.0%22.0%
Grade 45.0%30.0%47.0%17.0%

Mathematics

GradeExceeding ExpectationsMeeting ExpectationsPartially Meeting ExpectationsNot Meeting Expectations
Grade 36.0%42.0%29.0%24.0%
Grade 48.0%32.0%42.0%18.0%

Each tested student counts in exactly one level, so each row adds to about 100%. The headline Meeting or Exceeding Expectations rate is the sum of the top two levels.

8-year history

All grades, all students. Peter Thacher   Massachusetts avg

English Language Arts

50592016-1752632017-1855582018-1949462020-2145412021-2246372022-2343342023-2444422024-25
YearSchoolDistrictCountyState
SY 2024-2542.0%39.9%37.2%43.8%
SY 2023-2434.0%36.7%36.7%42.8%
SY 2022-2337.0%40.2%39.5%45.6%
SY 2021-2241.0%40.3%38.4%44.7%
SY 2020-2146.0%46.2%44.6%49.5%
SY 2018-1958.0%53.8%49.2%54.8%
SY 2017-1863.0%54.0%47.9%52.3%
SY 2016-1759.0%51.0%45.6%50.3%

Mathematics

49602016-1749542017-1852562018-1937312020-2142432021-2243422022-2343412023-2442442024-25
YearSchoolDistrictCountyState
SY 2024-2544.0%39.6%34.6%42.2%
SY 2023-2441.0%43.7%37.1%43.1%
SY 2022-2342.0%41.2%37.3%43.0%
SY 2021-2243.0%42.3%36.5%41.7%
SY 2020-2131.0%34.8%31.8%36.9%
SY 2018-1956.0%51.4%46.8%51.5%
SY 2017-1854.0%47.8%44.8%49.0%
SY 2016-1760.0%46.9%45.1%49.3%

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How to read these scores

What is MCAS?
MCAS (the Massachusetts Comprehensive Assessment System) is the statewide test for Massachusetts public schools. Students in grades 3 through 8 take it in English Language Arts and Math, with Science added at grades 5 and 8. High school students take grade-10 MCAS in ELA and Math plus a high-school Science test (Biology or Physics) for graduation.
What does "% Meeting or Exceeding Expectations" mean?
It is the percentage of students at the school whose scores were rated "Meeting Expectations" or "Exceeding Expectations" on the test. Those are the top two of four MCAS performance levels (Not Meeting, Partially Meeting, Meeting, Exceeding) and they signal the student is performing at grade level or above. A higher number is better.
What does 42.0% mean for English Language Arts at Peter Thacher Elementary School?
It means about 42.0 percent of students tested at Peter Thacher Elementary School performed at grade level or above on the MCAS English Language Arts test in 2024-25. The statewide average for Massachusetts that year was 43.8%. The other students fell into the lower performance levels.
How is the state average calculated?
It is a weighted average, not a simple average of each school's number. We multiply each public school's score by how many of its students tested, add those together for all schools in Massachusetts, and divide by the total students tested that year. This way a big school with 1,500 students counts more than a small school with 50 students, which is the right way to ask "how did the typical student do this year?". District and county averages on this page use the same method, just scoped to that district or county.
Where does this data come from?
Massachusetts Department of Elementary and Secondary Education, Massachusetts Comprehensive Assessment System (MCAS), via the Education to Career open data portal. School-level All Students subgroup. Headline metric is the cumulative "Meeting or Exceeding Expectations" rate (top two of four performance levels).
How often is it updated?
MCAS is administered once a year (spring). Results are released by the state in the summer or early fall. We refresh this page after each annual release.

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