Best Public Schools in Old Lyme, CT

Summary:

The city of Old Lyme, Connecticut is home to a high-performing school district, Regional School District 18, which includes 4 schools: 2 elementary schools (Mile Creek School and Center School), 1 middle school (Lyme-Old Lyme Middle School), and 1 high school (Lyme-Old Lyme High School).

Lyme-Old Lyme High School stands out as an exceptional school, consistently ranking among the top high schools in Connecticut with a statewide ranking of 4th out of 141 schools in the 2024-2025 school year and a 5-star rating from SchoolDigger. The school's academic performance is impressive, with 91.9% of 11th-grade students proficient or better in SAT/English Language Arts and 70.9% proficient or better in SAT/Math. Additionally, the school has a high 4-year graduation rate of 88.4% and a relatively low chronic absenteeism rate of 17.7%. Another standout school is Mile Creek School, which has ranked among the top elementary schools in Connecticut, with a statewide ranking of 50th out of 493 schools in the 2024-2025 school year and a 5-star rating from SchoolDigger.

The schools in the Regional School District 18 consistently outperform the state averages in standardized test scores, with Lyme-Old Lyme High School and Mile Creek School showing particularly strong results in ELA, Math, and Science. The district also has relatively low student-teacher ratios, ranging from 9.6 at Lyme-Old Lyme High School and Lyme-Old Lyme Middle School to 15 at Center School, indicating a strong commitment to providing personalized attention and support to students.

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NGSS Science (2025)		SAT English Language Arts (2025)	SAT Math (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 8th Grade	NGSS Science 11th Grade	SAT English Language Arts 11th Grade	SAT Math 11th Grade	SBAC English Language Arts 3rd Grade	SBAC English Language Arts 4th Grade	SBAC English Language Arts 5th Grade	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC Mathematics 3rd Grade	SBAC Mathematics 4th Grade	SBAC Mathematics 5th Grade	SBAC Mathematics 6th Grade	SBAC Mathematics 7th Grade	SBAC Mathematics 8th Grade	Total
Lyme-Old Lyme High School	Public	9-12	69 Lyme St.	Old Lyme	06371	Lower Connecticut River Valley Planning Region	Regional School District 18	No	No	No	No	(860) 434-1651	367	38	9.6	12.8%	297 (80.9%)	3 (0.8%)	30 (8.2%)	19 (5.2%)	0 (0.0%)	0 (0.0%)	15 (4.1%)	95.7	4^th of 141 public high schools	97.2%		93.5	7^th of 145 public high schools	95.2%	3		80.2	91.9	70.9													$28,834
Mile Creek School	Public	K-5	205 Mile Creek Rd.	Old Lyme	06371	Lower Connecticut River Valley Planning Region	Regional School District 18	No	No	No	Yes	(860) 434-2209	334	26	12.9	9.6%	291 (87.1%)	3 (0.9%)	15 (4.5%)	7 (2.1%)	0 (0.0%)	0 (0.0%)	18 (5.4%)	87.4	50^th of 493 public elementary schools	89.9%		84.5	79^th of 497 public elementary schools	84.1%	29					81.0	76.1	79.3				84.1	67.4	74.1				$21,539
Lyme-Old Lyme Middle School	Public	6-8	53 Lyme St.	Old Lyme	06371	Lower Connecticut River Valley Planning Region	Regional School District 18	No	No	No	Yes	(860) 434-2568	271	27	10.0	18.5%	233 (86.0%)	1 (0.4%)	18 (6.6%)	8 (3.0%)	0 (0.0%)	0 (0.0%)	11 (4.1%)	85.8	27^th of 252 public middle schools	89.3%		91.1	16^th of 250 public middle schools	93.6%	11	92.0							61.2	74.2	85.2				43.5	82.8	90.9	$27,138

Cities Near Old Lyme

City	Distance	# of Schools	Statewide Rank
Old Saybrook	4.23 mi	3	82^nd
Niantic	5.11 mi	3	34^th
East Lyme	5.56 mi	2	19^th
Centerbrook	5.87 mi	1	60^th
Lyme	6.01 mi	1	21^st

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.