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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
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
Kindergarten
58
Grade 1
57
Grade 2
69
Grade 3
58
Grade 4
47
Grade 5
68
Student demographics
White
13939%
DISTRICT 34% · STATE 51%
Hispanic
13638%
DISTRICT 49% · STATE 26%
Black
4813%
DISTRICT 9% · STATE 10%
Asian
154%
DISTRICT 5% · STATE 7%
Two+
195%
DISTRICT 4% · STATE 5%
Student head counts by race/ethnicity from federal NCES enrollment data. 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.

Source: MCAS. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
357
-65 (-15%) vs 2017
Student : Teacher
10.1:1
was 10.7:1
% White
39%
was 39%
% Hispanic
38%
was 42%
% Black
13%
was 12%
% Asian
4%
was 5%
Source: NCES Common Core of Data

About Thomas R Plympton Elementary School

Thomas R Plympton Elementary School operates as a moderately sized K-5 school in Waltham, Massachusetts, run under Waltham. Current enrollment sits at 357 students spanning grades K through 5.

Waltham runs 11 schools in total, collectively educating 5,777 students. Thomas R Plympton Elementary School is one of those campuses.

For racial and ethnic makeup, Thomas R Plympton Elementary School lists that 39% of students identify as White, with the remaining enrollment distributed across several groups. The remainder is composed of 38% Hispanic, 13% Black, 5% multiracial, 4% Asian. The wider county runs roughly 67% White, putting the school's mix noticeably less White than the area baseline.

Looking at school resources, The school employs 35 full-time-equivalent teachers, for a student-teacher ratio near 10.1:1. That figure is tighter than the state norm's 12.2:1 average.

Around the school, ACS estimates for Middlesex County put the typical household earns roughly $130,847 per year, 60% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. In all, Middlesex County runs 386 public schools (combined enrollment of about 215,896 students), of which Thomas R Plympton Elementary School is one.

The closest other public school is John W. McDevitt Middle School, roughly 0.6 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius.

Thomas R Plympton Elementary School operates from a city-core location.

Over the past 7-year window. Looking back 7 years, enrollment at Thomas R Plympton Elementary School has fell 15%, going from 422 students in 2018 to 357 in 2025. Over the same period, the Hispanic share decreased from 42% to 38%.

In the discussion threads here, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.

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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