Top Rankings
Regional School District 18 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 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 5%)
For the 2025 school year, there are 5 public schools serving 1,289 students in Regional School District 18. This district's average testing ranking is 10/10, which is in the top 10% of public schools in Connecticut.
51±¬ÁÏs in Regional School District 18 have an average math proficiency score of 72% (versus the Connecticut public school average of 42%), and reading proficiency score of 78% (versus the 51% statewide average).
Minority enrollment is 15% of the student body (majority Hispanic), which is less than the Connecticut public school average of 54% (majority Hispanic).
Overview
This School District
This State (CT)
# Schools
5 Schools
1,010 Schools
# Students
1,289 Students
493,927 Students
# Teachers
120 Teachers
40,668 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Regional School District 18, which is ranked within the top 10% of all 197 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 90-94% has stayed relatively flat over five school years.
Overall District Rank
#11 out of 198 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
72%
41%
Reading/Language Arts Test Scores (% Proficient)
78%
50%
Science Test Scores (% Proficient)
78%
47%
Graduation Rate
(21-22)90-94%
89%
Students by Ethnicity:
Diversity Score
0.27
0.68
% American Indian
n/a
n/a
% Asian
3%
5%
% Hispanic
7%
31%
% Black
1%
12%
% White
85%
47%
% Hawaiian
n/a
n/a
% Two or more races
4%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $30,433 is higher than the state median of $26,157. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $28,536 is higher than the state median of $25,225. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$39 MM
$12,920 MM
Spending
$37 MM
$12,459 MM
Revenue / Student
$30,433
$26,157
Spending / Student
$28,536
$25,225
Best Regional School District 18 51±¬ÁÏs (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Center School
Special Education School
(Math: 80-84% | Reading: 80-84% )
Rank:
Rank:
10/
Top 5%10
49 Lyme St.
Old Lyme, CT 06371
(860) 434-7238
Old Lyme, CT 06371
(860) 434-7238
Gr: PK | 99 students Student-teacher ratio: 14:1 Minority enrollment: 12%
Rank: #22.
Mile Creek School
(Math: 75-79% | Reading: 75-79%)
Rank:
Rank:
10/
Top 10%10
205 Mile Creek Rd.
Old Lyme, CT 06371
(860) 434-2209
Old Lyme, CT 06371
(860) 434-2209
Gr: K-5 | 311 students Student-teacher ratio: 12:1 Minority enrollment: 13%
Rank: #33.
Lyme-old Lyme High School
(Math: 65-69% | Reading: 85-89%)
Rank:
Rank:
10/
Top 10%10
69 Lyme St.
Old Lyme, CT 06371
(860) 434-1651
Old Lyme, CT 06371
(860) 434-1651
Gr: 9-12 | 392 students Student-teacher ratio: 10:1 Minority enrollment: 18%
Rank: #44.
Lyme-old Lyme Middle School
(Math: 72% | Reading: 75%)
Rank:
Rank:
9/
Top 20%10
53 Lyme St.
Old Lyme, CT 06371
(860) 434-2568
Old Lyme, CT 06371
(860) 434-2568
Gr: 6-8 | 272 students Student-teacher ratio: 10:1 Minority enrollment: 14%
Rank: #55.
Lyme Consolidated School
(Math: 65-69% | Reading: 75-79%)
Rank:
Rank:
9/
Top 20%10
478 Hamburg Road
Old Lyme, CT 06371
(860) 434-1233
Old Lyme, CT 06371
(860) 434-1233
Gr: K-5 | 215 students Student-teacher ratio: 12:1 Minority enrollment: 13%
Frequently Asked Questions
How many schools belong to Regional School District 18?
Regional School District 18 manages 5 public schools serving 1,289 students.
What is the rank of Regional School District 18?
Regional School District 18 is ranked #12 out of 197 school districts in Connecticut (top 10%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Connecticut school districts for: Highest overall rank (Top 10%), Highest math proficiency (Top 10%), Highest reading/language arts proficiency (Top 5%) and Highest science proficiency (Top 5%)
What is the racial composition of students in Regional School District 18?
85% of Regional School District 18 students are White, 7% of students are Hispanic, 4% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.
What is the student/teacher ratio of Regional School District 18?
Regional School District 18 has a student/teacher ratio of 11:1, which is lower than the Connecticut state average of 12:1.
What is Regional School District 18's spending/student ratio?
The school district's spending/student of $28,536 is higher than the state median of $25,225. The school district spending/student has stayed relatively flat over four school years.
Recent Articles

Why Single-Sex 51±¬ÁÏs are Growing in Popularity
This article examines the growing trend of single-sex public schools in the United States. It explores the potential benefits, research findings, and controversies surrounding gender-specific education, as well as the factors driving its increasing popularity among parents and educators.

When Teachers Cheat: The Standardized Test Controversies
Teachers across the country are being accused of cheating on standardized tests, using erasers to conveniently change their students’ answers. However, are these teachers driven to cheat because the funding system is flawed?

When Field Trips Turn Deadly: Who is Responsible?
Recent deaths during field trips have parents and school officials questioning the safety of these excursions. Learn about these tragedies and what parameters should be in place to ensure a safe field trip.