Schools in Greenwich School District, Connecticut (2025)
15 schools · 8,377 students · 15 public · median Enrollment 411.
Greenwich School District, in Connecticut, has 15 schools in United States's 2025 data, together educating about 8,377 students. By level there are 11 elementary, 3 middle, 1 high; by sector 15 public.
The median Enrollment across Greenwich School District's schools is 411, above the Connecticut median of 408. Students enrolled in the latest NCES directory year.
15 of the 15 schools qualify for the Success Index (US). The highest-scoring is North Mianus School (97.1, top 5% of elementary schools nationally), followed by Old Greenwich School (96.8, top 5% of elementary schools nationally), and Riverside School (96.4, top 5% of elementary schools nationally). 12 schools sit in the top 10% of United States for their type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Greenwich High School (2,620 students), Eastern Middle School (797 students), Western Middle School (563 students).
Schools are spread across 4 citys, with the most in Greenwich (9), Riverside (4), Old Greenwich (1), Cos Cob (1).
Ranked schools in Greenwich School District
Ordered by Success Index (US). Rank positions shown on each profile are within United States and Connecticut.
- 197North Mianus SchoolRiverside · Public Elementary87% Math proficiency · 423 students
- 297Old Greenwich SchoolOld Greenwich · Public Elementary86% Math proficiency · 385 students
- 396Riverside SchoolRiverside · Public Elementary88% Math proficiency · 440 students
- 496North Street SchoolGreenwich · Public Elementary82% Math proficiency · 411 students
- 595Eastern Middle SchoolRiverside · Public Middle82% Math proficiency · 797 students
- 695Parkway SchoolGreenwich · Public Elementary87% Math proficiency · 249 students
- 794International School At DundeeRiverside · Public Elementary82% Math proficiency · 342 students
- 890Glenville SchoolGreenwich · Public Elementary70% Math proficiency · 411 students
- 989Cos Cob SchoolCos Cob · Public Elementary74% Math proficiency · 343 students
- 1089Central Middle SchoolGreenwich · Public Middle66% Math proficiency · 483 students
- 1182Greenwich High SchoolGreenwich · Public High66% Math proficiency · 2,620 students
- 1282Western Middle SchoolGreenwich · Public Middle61% Math proficiency · 563 students
- 1373Julian Curtiss SchoolGreenwich · Public Elementary57% Math proficiency · 236 students
- 1456Hamilton Avenue SchoolGreenwich · Public Elementary42% Math proficiency · 299 students
- 1555New Lebanon SchoolGreenwich · Public Elementary37% Math proficiency · 375 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | North Mianus School Riverside · Elementary · Grades K–5 | Public | 97.1 Top 5% | 87% Math proficiency | 423 |
| 2 | Old Greenwich School Old Greenwich · Elementary · Grades PK–5 | Public | 96.8 Top 5% | 86% Math proficiency | 385 |
| 3 | Riverside School Riverside · Elementary · Grades K–5 | Public | 96.4 Top 5% | 88% Math proficiency | 440 |
| 4 | North Street School Greenwich · Elementary · Grades PK–5 | Public | 95.7 Top 5% | 82% Math proficiency | 411 |
| 5 | Eastern Middle School Riverside · Middle · Grades 6–8 | Public | 95.0 Top 5% | 82% Math proficiency | 797 |
| 6 | Parkway School Greenwich · Elementary · Grades K–5 | Public | 95.0 Top 5% | 87% Math proficiency | 249 |
| 7 | International School At Dundee Riverside · Elementary · Grades K–5 | Public | 93.9 Top 5% | 82% Math proficiency | 342 |
| 8 | Glenville School Greenwich · Elementary · Grades K–5 | Public | 89.6 Top 5% | 70% Math proficiency | 411 |
| 9 | Cos Cob School Cos Cob · Elementary · Grades PK–5 | Public | 89.4 Top 5% | 74% Math proficiency | 343 |
| 10 | Central Middle School Greenwich · Middle · Grades 6–8 | Public | 88.9 Top 5% | 66% Math proficiency | 483 |
| 11 | Greenwich High School Greenwich · High · Grades 9–12 | Public | 82.4 Top 10% | 66% Math proficiency | 2,620 |
| 12 | Western Middle School Greenwich · Middle · Grades 6–8 | Public | 82.2 Top 10% | 61% Math proficiency | 563 |
| 13 | Julian Curtiss School Greenwich · Elementary · Grades PK–5 | Public | 72.9 Top 25% | 57% Math proficiency | 236 |
| 14 | Hamilton Avenue School Greenwich · Elementary · Grades PK–5 | Public | 56.0 Top 50% | 42% Math proficiency | 299 |
| 15 | New Lebanon School Greenwich · Elementary · Grades PK–5 | Public | 54.9 Top 50% | 37% Math proficiency | 375 |
Compare the top 4 schools in Greenwich School District side by side →
Citys in Greenwich School District
Other places in Connecticut
- Hartford(43)
- Bridgeport(43)
- New Haven(42)
- Waterbury(31)
- Norwalk(23)
- Stamford(22)
- Danbury(19)
- West Hartford(17)
- East Hartford(16)
- Fairfield(15)
- Bristol(13)
- New Britain(13)
- Meriden(13)
- Milford(13)
- Stratford(13)
- Manchester(12)
- Norwich(11)
- Wallingford(11)
- New London(10)
- Bloomfield(10)
- Hamden(10)
- Middletown(10)
- West Haven(10)
- Enfield(9)
- Wethersfield(9)
- Greenwich(9)
- Naugatuck(9)
- Ridgefield(9)
- Southington(9)
- Trumbull(9)
- East Haven(8)
- Shelton(8)
- Westport(8)
- North Haven(7)
- Glastonbury(7)
- South Windsor(7)
- Windsor(7)
- Cheshire(7)
- Darien(7)
- Guilford(7)
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Frequently asked questions
What is the best school in Greenwich School District?
North Mianus School is the highest-ranked school in Greenwich School District with a Success Index (US) of 97.1 out of 100 (Top 5% of elementary schools in United States).
How many schools are in Greenwich School District?
Greenwich School District has 15 schools (11 elementary, 3 middle, 1 high) educating 8,377 students in 2025.
What is the typical Enrollment in Greenwich School District?
The median Enrollment across schools in Greenwich School District is 411. Students enrolled in the latest NCES directory year.