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SCHOOL COMMUNITY·WALTHAM·NCES 251200001978

Thomas R Plympton Elementary School

20 Farnsworth Street, Waltham, MA 02451 · (781) 314-5760 · Middlesex County
GRADES KG–05ELEMENTARY13-CITYREGULAR SCHOOL357 STUDENTS
C+
allk12 Grade
Scored higher than 35% of Massachusetts public elementary schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • BThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Massachusetts public elementary schools

Enrollment
357
Elementary
DISTRICT 383 · STATE 381
Student : Teacher
10.1:1
35 FTE teachers
DISTRICT 10.4:1 · STATE 12.2:1
Free / Reduced Lunch
,
Title I proxy
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten5816%
Grade 15716%
Grade 26919%
Grade 35816%
Grade 44713%
Grade 56819%

This year's kindergarten class (58) is 15% smaller than its 5th grade class (68).

Student demographics
68%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 65% · US 70%
White
13939%
DISTRICT 34% · STATE 51% · US 43%
Hispanic
13638%
DISTRICT 49% · STATE 26% · US 30%
Black
4813%
DISTRICT 9% · STATE 10% · US 15%
Asian
154%
DISTRICT 5% · STATE 7% · US 6%
Two+
195%
DISTRICT 4% · STATE 5% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19254%
Female
16546%

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Test scores

MCAS 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
37.0%
MA avg 43.8% . -1.0pp since 2016
Math
36.0%
MA avg 42.2% . -9.0pp since 2016

What this means: On the MCAS, Massachusetts's statewide test, about 37 of every 100 students at this school read and write at grade level and about 36 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 1 points since 2016, while math scores are down about 9 points.

MCAS results by year

School yearEnglish Language ArtsMath
2024-2537.0%36.0%
2023-2428.0%28.0%
2022-2337.0%40.0%
2021-2230.0%37.0%
2020-2142.0%35.0%
2018-1949.0%51.0%
2017-1845.0%52.0%
2016-1738.0%45.0%
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: MCAS. All students, all grades. See all years and grades →

Where Thomas R Plympton Elementary School ranks

Among elementary schools
MeasureThis schoolIn MassachusettsIn Middlesex County
Math proficiency
ranked highest first
36.0%#578 of 920
▲ 112
#161 of 207
▲ 20
Reading proficiency
ranked highest first
37.0%#546 of 920
▲ 111
#158 of 207
▲ 17
3-year test score change
ranked biggest gain first
+3.0pp#347 of 901#74 of 206
Enrollment
ranked largest first
357#566 of 1,086#150 of 238
Students per teacher
ranked fewest first
10.1:1#131 of 938#35 of 222
Diversity index
ranked most diverse first
68.1%#101 of 938#35 of 222
Enrollment change since 2017-18
ranked steepest decline first
-15.4%#207 of 602#46 of 141
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
357
-20 (-5%) vs 2020
-11% since 1990-91, when it was 401
Student : Teacher
10.1:1
was 16.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2535735.210.1:1N/A
2023-243523410.3:1N/A
2022-2335332.510.9:1N/A
2020-213772316.4:1N/A
2017-1842239.610.7:1N/A
2015-164313213.5:1N/A
2010-113843112.4:139% (151)
2000-01390N/AN/A41% (159)
1990-91401N/AN/AN/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Thomas R Plympton Elementary School.

Since 2017-18: students down 15% (422 to 357); teachers down 11% (39.6 to 35.2).

About Thomas R Plympton Elementary School

This page covers Thomas R Plympton Elementary School, a mid-sized elementary school in Waltham, Massachusetts. The school has 357 students in 2024-25 across kindergarten through 5.

Waltham enrolls 5,777 students in 11 schools, including Thomas R Plympton Elementary School.

The biggest share of students at Thomas R Plympton Elementary School, 39%, is White. The remaining shares are 38% Hispanic, 13% Black, 5% multiracial, and 4% Asian. Census estimates put the White share of Middlesex County's population at about 67%. The diversity index for Thomas R Plympton Elementary School is 68%. For US public schools as a whole it is 70%.

On staff are 35.2 full-time-equivalent teachers; the student-to-teacher ratio is 10.1:1. Elementary schools in Massachusetts have an average ratio of 12.2:1.

Thomas R Plympton Elementary School earns a C+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 35% of Massachusetts public elementary schools.

Looking at the county, Middlesex County, the median household earns about $130,847 a year, the share of adults with a bachelor's degree or higher is 60%, and about 5% of people live in poverty. Counting Thomas R Plympton Elementary School, Middlesex County has 386 public schools.

The closest school to Thomas R Plympton Elementary School is John W. McDevitt Middle School, located about 0.6 miles away. In all, at least 8 other public schools sit within five miles of Thomas R Plympton Elementary School.

On the NCES locale scale, the school is City: Small.

The school shrank from 377 students in 2020-21 to 357 in 2024-25. In 2020-21, the student-to-teacher ratio was 16.4:1; by 2024-25 it was 10.1:1.

Use the discussion section to ask about homework, tutoring, and testing dates at Thomas R Plympton Elementary School. You can also rate the school on this page.

Middlesex County at a glance

View full county profile
Population
1,638,365
Census ACS
Median income
$130,847
Household, ACS
Bachelor's+
60%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
386
215,896 students

Quick facts

School name
Thomas R Plympton Elementary School
District
Waltham
Address
20 Farnsworth Street, Waltham, MA 02451
Phone
(781) 314-5760
County
Middlesex County
Level
Elementary
Grade range
KG–05
Total enrollment
357
Teachers (FTE)
35
Student–teacher ratio
10.1:1
Locale
13-City: Small
NCES ID
251200001978
Charter school
No
Virtual school
No

Related schools

Other schools in Waltham
Other schools in Waltham
Nearby schools

Frequently asked questions

About Thomas R Plympton Elementary School
What is the total enrollment at Thomas R Plympton Elementary School?
Thomas R Plympton Elementary School enrolls approximately 357 students in grades KG-05.
What grades does Thomas R Plympton Elementary School serve?
Thomas R Plympton Elementary School serves grades KG-05.
What is the student-teacher ratio at Thomas R Plympton Elementary School?
The student-to-teacher ratio at Thomas R Plympton Elementary School is approximately 10.1:1 (35 FTE teachers).
What is the racial breakdown of students at Thomas R Plympton Elementary School?
At Thomas R Plympton Elementary School, the student body is approximately 39% White, 38% Hispanic, 13% Black, 4% Asian, 5% Two or more.
Is Thomas R Plympton Elementary School public or private?
Thomas R Plympton Elementary School is a public K-12 school, overseen by Waltham.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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