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SCHOOL COMMUNITY·THOMASTON SCHOOL DISTRICT·NCES 090450000906

Black Rock School

57 Branch Rd., Thomaston, CT 06787 · (860) 283-3040 · Naugatuck Valley Planning Region
GRADES PK–03ELEMENTARY21-SUBURBREGULAR SCHOOL259 STUDENTS
·
allk12 Grade
Not graded

This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work

Enrollment
259
Elementary
DISTRICT 254 · STATE 378
Student : Teacher
10.9:1
24 FTE teachers
DISTRICT 11.9:1 · STATE 12.6:1
Free / Reduced Lunch
37%
97 students
DISTRICT 40% · STATE 44%
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
Pre-K6525%
Kindergarten3915%
Grade 15019%
Grade 24417%
Grade 36124%
Student demographics
39%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 34% · STATE 67% · US 70%
White
19977%
DISTRICT 80% · STATE 46% · US 43%
Hispanic
3815%
DISTRICT 12% · STATE 32% · US 30%
Black
62%
DISTRICT 2% · STATE 12% · US 15%
Asian
83%
DISTRICT 2% · STATE 5% · US 6%
Two+
83%
DISTRICT 3% · 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
12849%
Female
13151%

School pathway

Students here typically continue to
Black Rock School→Thomaston Center School→Thomaston High School
Based on grade levels within Thomaston School District. Attendance zones can vary; confirm enrollment with the district.

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Schools most like Black Rock School

SchoolStudentsLow-incomeProficient
Black Rock School this school25937.5%N/A
Oakdale School
Oakdale
27134.7%N/A
Flanders Elementary School
Southington
25936.3%N/A
Alfred W. Hanmer School
Wethersfield
28033.6%N/A
Gildersleeve School
Portland
25332.8%N/A
Canterbury Elementary School
Canterbury
29534.9%N/A
Matched among Connecticut elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Black Rock School ranks

Among elementary schools
MeasureThis schoolIn ConnecticutIn Naugatuck Valley Planning Region
Enrollment
ranked largest first
259#501 of 613#63 of 71
Students per teacher
ranked fewest first
10.9:1#100 of 558#7 of 69
Diversity index
ranked most diverse first
38.6%#439 of 560#59 of 69
Free and reduced lunch
ranked highest share first
37.5%#331 of 594#48 of 70
Enrollment change since 2017-18
ranked steepest decline first
-7.2%#260 of 378#29 of 43
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
259
-7 (-3%) vs 2020
-48% since 1990-91, when it was 502
Student : Teacher
10.9:1
was 14.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2525923.810.9:137% (97)
2023-2426822.112.1:137% (98)
2022-2329225.811.3:137% (109)
2020-212661914.0:136% (96)
2017-1827922.512.4:119% (54)
2015-162692112.8:123% (63)
2010-113442712.7:112% (41)
2000-014052317.6:1N/A
1990-915022718.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Black Rock School.

Since 2017-18: students down 7% (279 to 259); teachers up 6% (22.5 to 23.8).

About Black Rock School

Black Rock School is an elementary school with a street address in Thomaston, Connecticut. Total enrollment is 259 students, and the grades served are pre-K through 3. That is 31% below the average of about 378 students for elementary schools in Connecticut.

Enrollment across the 3 schools in Thomaston School District totals 762 students.

Federal enrollment data show Black Rock School is 77% White. Other groups include 15% Hispanic, 3% Asian, 3% multiracial, and 2% Black. The county population is about 64% White. On a 0 to 100 scale, the school's diversity index is 39, compared with 70 nationally.

The student-to-teacher ratio is 10.9:1. The school has 23.8 full-time-equivalent teachers. The school's 10.9:1 compares with an average of 12.6:1 for elementary schools in Connecticut. Federal data show 37% of students (97) are eligible for free or reduced-price lunch. The 52% average for public schools in Naugatuck Valley Planning Region is 15 points higher.

In Naugatuck Valley Planning Region, home to about 454,969 people, the median household earns about $86,191 a year, roughly 34% of adults have a four-year degree or more, and about 9% of residents live below the federal poverty line. Public schools in Naugatuck Valley Planning Region number 121, with about 59,861 students.

Black Rock School's closest public school neighbor is Thomaston High School, about 0.2 miles away. The five-mile area around Black Rock School holds at least 8 other public schools.

Black Rock School is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, a location NCES labels Suburb: Large.

Over the 4 years from 2020-21 to 2024-25, enrollment decreased 3%. The number of students per teacher dropped from 14.0 to 10.9 over 4 years.

People who know Black Rock School can post here about special education services, counseling, and support programs. Parents, students, alumni, and staff are welcome to post.

Naugatuck Valley Planning Region at a glance

View full county profile
Population
454,969
Census ACS
Median income
$86,191
Household, ACS
Bachelor's+
34%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
121
59,861 students

Quick facts

School name
Black Rock School
District
Thomaston School District
Address
57 Branch Rd., Thomaston, CT 06787
Phone
(860) 283-3040
County
Naugatuck Valley Planning Region
Level
Elementary
Grade range
PK–03
Total enrollment
259
Teachers (FTE)
24
Student–teacher ratio
10.9:1
Free and reduced lunch
97 (37%)
Locale
21-Suburb: Large
NCES ID
090450000906
Charter school
No
Virtual school
No

Related schools

Other schools in Thomaston School District
Other schools in Thomaston
Other Black Rock schools

One other US public school is named Black Rock. Black Rock School is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About Black Rock School
What is the total enrollment at Black Rock School?
Black Rock School enrolls approximately 259 students in grades PK-03.
What grades does Black Rock School serve?
Black Rock School serves grades PK-03.
How many students per teacher at Black Rock School?
Approximately 10.9:1 students per teacher at Black Rock School.
How diverse is Black Rock School?
Black Rock School reports a student body of 77% White, 15% Hispanic, 2% Black, 3% Asian, 3% Two or more.
Who oversees Black Rock School?
Black Rock School is overseen by Thomaston School District in Naugatuck Valley Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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