Best Public Schools in Zip Code 06870

Summary:

The 06870 zip code is home to a single exceptional elementary school, Old Greenwich School, which serves grades PK-5 and is part of the highly-ranked Greenwich School District. This standout school consistently outperforms the district and state averages, with over 90% of students proficient or better in English Language Arts, Mathematics, and Science.

Old Greenwich School's academic excellence is evident in its consistently high rankings, including a 4th place out of 493 schools in the 2024-2025 school year and a 5-star rating from SchoolDigger. The school boasts impressive test scores, with 91.7% of 3rd graders, 89.3% of 4th graders, and 93.7% of 5th graders proficient or better in English Language Arts, and 90% of 3rd graders, 89.3% of 4th graders, and 85.7% of 5th graders proficient or better in Mathematics, all exceeding the district averages.

Additionally, Old Greenwich School benefits from a low student-teacher ratio of 11:1 and significant district-level funding, with $33,050 spent per student, well above the state average. These factors, combined with the school's exceptional academic performance, make it a standout choice for families in the 06870 zip code area.

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NGSS Science (2025)	SBAC English Language Arts (2025)			SBAC Mathematics (2025)			Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	NGSS Science 5th Grade	SBAC English Language Arts 3rd Grade	SBAC English Language Arts 4th Grade	SBAC English Language Arts 5th Grade	SBAC Mathematics 3rd Grade	SBAC Mathematics 4th Grade	SBAC Mathematics 5th Grade	Total
Old Greenwich School	Public	PK, KG-5	825 Sound Beach Ave.	Old Greenwich	06870	Western Connecticut Planning Region	Greenwich School District	No	No	No	No	(203) 637-0150	385	37	10.5	2.3%	323 (83.9%)	0 (0.0%)	29 (7.5%)	15 (3.9%)	0 (0.0%)	0 (0.0%)	18 (4.7%)	95.7	4^th of 493 public elementary schools	99.2%		91.8	20^th of 497 public elementary schools	96.0%	16	90.5	91.7	89.3	93.7	90.0	89.3	85.7	$26,372

Cities Near Zip Code 06870

City	Distance	# of Schools	Statewide Rank
Old Greenwich	0.44 mi	1	2^nd
Riverside	0.69 mi	4	4^th
Stamford	1.46 mi	23	148^th
Cos Cob	1.62 mi	1	88^th
Greenwich	2.17 mi	9	32^nd

See the top CT Connecticut cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Connecticut Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.