Top Rankings
Greenwich School District ranks among the top 20% of public school district in Connecticut for:
Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)
Science Proficiency
Highest science proficiency (Top 10%)
Graduation Rate
Highest graduation rate (Top 20%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there are 6 public preschools serving 2,049 students in Greenwich School District. This district's average pre testing ranking is 8/10, which is in the top 30% of public pre schools in Connecticut.
Public Preschools in Greenwich School District have an average math proficiency score of 65% (versus the Connecticut public pre school average of 37%), and reading proficiency score of 69% (versus the 42% statewide average).
The top-ranked public preschools in Greenwich School District are North Street School, Old Greenwich School and Cos Cob School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking. Minority enrollment is 43% of the student body (majority Hispanic), which is less than the Connecticut public preschool average of 60% (majority Hispanic).
Overview
This School District
This State (CT)
# Schools
15 Schools
376 Schools
# Students
8,377 Students
142,231 Students
# Teachers
761 Teachers
11,341 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Greenwich School District, which is ranked within the top 10% of all 195 school districts in Connecticut (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 94% has decreased from 95% over five school years.
Overall District Rank
#17 out of 198 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
69%
41%
Reading/Language Arts Test Scores (% Proficient)
76%
50%
Science Test Scores (% Proficient)
74%
47%
Graduation Rate
94%
88.2%
Chronically Absent Students
(2022-23)10.4%
19.3%
Students by Ethnicity:
Diversity Score
0.59
0.70
% American Indian
n/a
n/a
% Asian
9%
5%
% Hispanic
24%
35%
% Black
2%
15%
% White
59%
40%
% Hawaiian
n/a
n/a
% Two or more races
6%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $36,322 is higher than the state median of $29,922. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $34,676 is higher than the state median of $28,995. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$304 MM
$14,669 MM
Spending
$291 MM
$14,214 MM
Revenue / Student
$36,322
$29,922
Spending / Student
$34,676
$28,995
Best Greenwich School District Public Preschools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #1 - 21. - 2.
North Street School
(Math: 80-84% | Reading: 85-89%)
Rank:
Rank:
10/
Top 1%10
381 North St.
Greenwich, CT 06830
(203) 869-6756
Greenwich, CT 06830
(203) 869-6756
Gr: PK-5 | 411 students Student-teacher ratio: 11:1 Minority enrollment: 26%
Rank: #1 - 21. - 2.
Old Greenwich School
(Math: 80-84% | Reading: 85-89%)
Rank:
Rank:
10/
Top 1%10
825 Sound Beach Ave.
Old Greenwich, CT 06870
(203) 637-0150
Old Greenwich, CT 06870
(203) 637-0150
Gr: PK-5 | 385 students Student-teacher ratio: 10:1 Minority enrollment: 16%
Rank: #33.
Cos Cob School
(Math: 65-69% | Reading: 65-69%)
Rank:
Rank:
8/
Top 30%10
300 East Putnam Ave.
Cos Cob, CT 06807
(203) 869-4670
Cos Cob, CT 06807
(203) 869-4670
Gr: PK-5 | 343 students Student-teacher ratio: 10:1 Minority enrollment: 33%
Rank: #44.
Julian Curtiss School
(Math: 45-49% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
180 East Elm St.
Greenwich, CT 06830
(203) 869-1896
Greenwich, CT 06830
(203) 869-1896
Gr: PK-5 | 236 students Student-teacher ratio: 8:1 Minority enrollment: 57%
Rank: #55.
New Lebanon School
(Math: 50-54% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
25 Mead Ave.
Greenwich, CT 06830
(203) 531-9139
Greenwich, CT 06830
(203) 531-9139
Gr: PK-5 | 375 students Student-teacher ratio: 10:1 Minority enrollment: 70%
Rank: #66.
Hamilton Avenue School
(Math: 45-49% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
184 Hamilton Avenue
Greenwich, CT 06830
(203) 869-1685
Greenwich, CT 06830
(203) 869-1685
Gr: PK-5 | 299 students Student-teacher ratio: 8:1 Minority enrollment: 69%
Recent Articles
When Your Child Gets a Teacher You Didn't Request
Learn what parents can do when a child is assigned to an unexpected teacher, including when to wait, communicate, document concerns, request support, and seek reassignment appropriately.
Before Accepting a Public School Seat: 15 Checks
Before accepting a public school seat, parents should verify enrollment terms, transportation, staffing, academics, safety, support services, schedules, attendance rules, extracurriculars, costs, and long-term placement details carefully.
Will This Public School Offer the Same Programs Next Year?
Learn how parents can determine whether public school programs will continue next year by checking budgets, enrollment, staffing, board documents, grants, course schedules, and district priorities before enrolling.
