Enrollment
344
Elementary
DISTRICT 331 · STATE 378
SCHOOL COMMUNITY·EAST HARTFORD SCHOOL DISTRICT·NCES 090126000206
Robert J. O'Brien School
56 Farm Dr., East Hartford, CT 06108 · (860) 622-5760 · Capitol Planning Region
GRADES KG–05ELEMENTARY13-CITYTITLE IREGULAR SCHOOL344 STUDENTS
C-
allk12 Grade
Scored higher than 21% of Connecticut public elementary schools
- C-Test 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.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Connecticut public elementary schools
Student : Teacher
13.7:1
25 FTE teachers
DISTRICT 11.6:1 · STATE 12.6:1
Free / Reduced Lunch
67%
232 students
DISTRICT 61% · 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
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 54 | 16% |
| Grade 1 | 61 | 18% |
| Grade 2 | 50 | 15% |
| Grade 3 | 66 | 19% |
| Grade 4 | 54 | 16% |
| Grade 5 | 59 | 17% |
This year's kindergarten class (54) is 8% smaller than its 5th grade class (59).
Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · STATE 67% · US 70%
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
Test scores
CT Smarter Balanced 2024-25 . % Met or Exceeded StandardEnglish Language Arts
32.4%
CT avg 50.5%
Math
23.2%
CT avg 45.9%
What this means: On the CT Smarter Balanced, Connecticut's statewide test, about 32 of every 100 students at this school read and write at grade level and about 23 of 100 do math at grade level. Across all Connecticut schools, those numbers are about 51 and 46.
Source: CT Smarter Balanced. All students, all grades. See all years and grades →
Schools most like Robert J. O'Brien School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Robert J. O'Brien School this school | 344 | 67.4% | N/A |
| Brass City Charter School Waterbury | 401 | 70.1% | N/A |
| Dr. John A. Langford School East Hartford | 316 | 61.1% | N/A |
| Dr. Franklin H. Mayberry School East Hartford | 310 | 70.6% | N/A |
| Church Street School Hamden | 334 | 60.8% | N/A |
| Anna E. Norris School East Hartford | 279 | 70.3% | 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 Robert J. O'Brien School ranks
Among elementary schools| Measure | This school | In Connecticut | In Capitol Planning Region |
|---|---|---|---|
| Math proficiency ranked highest first | 23.2% | #419 of 522 | #114 of 141 |
| Reading proficiency ranked highest first | 32.4% | #385 of 519 | #105 of 141 |
| Enrollment ranked largest first | 344 | #348 of 613 | #102 of 163 |
| Students per teacher ranked fewest first | 13.7:1 | #404 of 558 | #120 of 157 |
| Diversity index ranked most diverse first | 51.4% | #298 of 560 | #99 of 157 |
| Free and reduced lunch ranked highest share first | 67.4% | #141 of 594 | #33 of 163 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.6% | #60 of 378 | #22 of 101 |
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 2024-25Enrollment
344
-24 (-7%) vs 2020
-32% since 1990-91, when it was 507
Student : Teacher
13.7:1
was 13.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 344 | 25.2 | 13.7:1 | 67% (232) |
| 2023-24 | 339 | 27.6 | 12.3:1 | 66% (225) |
| 2022-23 | 341 | 29.7 | 11.5:1 | 78% (266) |
| 2020-21 | 368 | 27 | 13.6:1 | 72% (264) |
| 2017-18 | 433 | 28.2 | 15.3:1 | 79% (340) |
| 2015-16 | 475 | 37 | 12.8:1 | 81% (383) |
| 2010-11 | 388 | 30 | 12.9:1 | 70% (273) |
| 2000-01 | 498 | 35 | 14.2:1 | N/A |
| 1990-91 | 507 | 27 | 18.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Robert J. O'Brien School.
Since 2017-18: students down 21% (433 to 344); teachers down 11% (28.2 to 25.2).
About Robert J. O'Brien School
Robert J. O'Brien School is an elementary school in East Hartford, Connecticut, reachable at (860) 622-5760. Enrollment is 344 students in 2024-25, and the school serves kindergarten through 5.
Robert J. O'Brien School is in East Hartford School District, a district with 5,931 students across 12 schools.
Robert J. O'Brien School is 61% Hispanic by enrollment. Beyond that, enrollment is 33% Black, 3% White, and 2% Asian. In Capitol Planning Region overall, about 18% of residents are Hispanic. Robert J. O'Brien School's diversity index is 51%, against a US figure of 70%.
Robert J. O'Brien School operates with 25.2 full-time-equivalent teachers, a ratio of about 13.7:1. On average, elementary schools in Connecticut have 12.6:1, compared with 13.7:1 here. Robert J. O'Brien School reports 67% of students eligible for free or reduced-price meals. The gap from the 43% average for public schools in Capitol Planning Region is 24 points.
Robert J. O'Brien School is graded C- by allk12, scoring above 21% of Connecticut public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
Census Bureau estimates for Capitol Planning Region show that the median household income is $93,394, the share of adults with a bachelor's degree or higher is 42%, and roughly 7% of residents are in poverty. Robert J. O'Brien School is one of 286 public schools in the county.
The shortest distance from Robert J. O'Brien School to another public school is about 0.5 miles, to Dr. John A. Langford School. Other public schools within five miles: at least 8.
Robert J. O'Brien School is coded as City: Small in federal locale data.
2024-25 enrollment was 344, a 7% decrease from 368 in 2020-21.
To ask about science fairs, picture day, and bus routes, start a discussion on this page. Posting is open to anyone connected to the school.
Capitol Planning Region at a glance
View full county profilePopulation
977,290
Census ACS
Median income
$93,394
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
286
137,047 students
Quick facts
Related schools
Other schools in East Hartford School District
- East Hartford High SchoolHigh · 1,776 students
- East Hartford Middle SchoolMiddle · 971 students
- Dr. Thomas S. O'Connell SchoolElementary · 519 students
- Governor William Pitkin SchoolElementary · 345 students
- Joseph O. Goodwin SchoolElementary · 334 students
- Sunset Ridge Middle SchoolMiddle · 334 students
Other schools in East Hartford
- East Hartford High SchoolHigh · 1,776 students
- East Hartford Middle SchoolMiddle · 971 students
- Connecticut River Academy at Goodwin UniversityHigh · 742 students
- Academy of Computer Science and Engineering Middle SchoolMiddle · 669 students
- Dr. Thomas S. O'Connell SchoolElementary · 519 students
- Riverside Magnet School at Goodwin UniversityElementary · 481 students
Nearby schools
- Dr. John A. Langford School0.5 mi · 316
- Academy of International Studies Elementary School1.1 mi · 497
- East Hartford Middle School1.1 mi · 971
- Anna E. Norris School1.2 mi · 279
- Pleasant Valley School1.4 mi · 736
- Dr. Franklin H. Mayberry School1.5 mi · 310
Frequently asked questions
About Robert J. O'Brien SchoolHow large is Robert J. O'Brien School?
Robert J. O'Brien School enrolls approximately 344 students in grades KG-05.
What age range does Robert J. O'Brien School serve?
Robert J. O'Brien School serves students from grade KG through grade 05.
How many students per teacher at Robert J. O'Brien School?
Approximately 13.7:1 students per teacher at Robert J. O'Brien School.
How diverse is Robert J. O'Brien School?
Robert J. O'Brien School reports a student body of 3% White, 61% Hispanic, 33% Black, 2% Asian, 0% Two or more.
Who oversees Robert J. O'Brien School?
Robert J. O'Brien School is overseen by East Hartford School District in Capitol Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.