Serving 392 students in grades 9-12, Lyme-old Lyme High School ranks in the top 10% of all schools in Connecticut for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 85-89% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 10:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the Connecticut state average of 53% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 392 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 18%
- Graduation Rate: 90-94% (Top 50% in CT)
- Overall Testing Rank: Top 10%
- Math Proficiency: 65-69% (Top 20%)
- Reading Proficiency: 85-89% (Top 1%)
- Science Proficiency: 70-74% (Top 20%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Lyme-old Lyme High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Student Attention
School Overview
Lyme-old Lyme High School's student population of 392 students has declined by 16% over five school years.
The teacher population of 41 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
392 students
![This chart displays total students of Lyme-old Lyme High School by year, with the latest 2022-23 school year data. This chart displays total students of Lyme-old Lyme High School by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/total_students/16000/16070/lyme-old-lyme-high-school-chart-HC6Khh.png)
Gender %
![This chart displays gender of Lyme-old Lyme High School This chart displays gender of Lyme-old Lyme High School](http://images1.publicschoolreview.com/charts/gender/16000/16070/lyme-old-lyme-high-school-chart-LzHGaF.png)
Total Classroom Teachers
41 teachers
![This chart displays the total teachers of Lyme-old Lyme High School by year, with the latest 2022-23 school year data. This chart displays the total teachers of Lyme-old Lyme High School by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/total_teachers/16000/16070/lyme-old-lyme-high-school-chart-WNo3M8.png)
Students by Grade
![This chart displays the students of Lyme-old Lyme High School by grade. This chart displays the students of Lyme-old Lyme High School by grade.](http://images1.publicschoolreview.com/charts/students_by_grade/16000/16070/lyme-old-lyme-high-school-chart-bt8sfvW.png)
School Calendar
School Rankings
Lyme-old Lyme High School ranks within the top 10% of all 942 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Lyme-old Lyme High School is 0.32, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#69 out of 942 schools
(Top 10%)
(Top 10%)
![This chart displays the overall school rank of Lyme-old Lyme High School, with the latest 2021-22 school year data. This chart displays the overall school rank of Lyme-old Lyme High School, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/overall_school_rank/16000/16070/lyme-old-lyme-high-school-chart-b4VOTht.png)
Math Test Scores (% Proficient)
65-69%
40%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Lyme-old Lyme High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Connecticut by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Lyme-old Lyme High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Connecticut by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/math_percent/16000/16070/lyme-old-lyme-high-school-chart-blXWn5O.png)
Reading/Language Arts Test Scores (% Proficient)
85-89%
50%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Lyme-old Lyme High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Connecticut by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Lyme-old Lyme High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Connecticut by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/rla_percent/16000/16070/lyme-old-lyme-high-school-chart-HC6KgW.png)
Science Test Scores (% Proficient)
70-74%
47%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Lyme-old Lyme High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Connecticut by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Lyme-old Lyme High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Connecticut by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/sci_percent/16000/16070/lyme-old-lyme-high-school-chart-UTEaQp.png)
Student : Teacher Ratio
10:1
12:1
![This chart displays the student teacher ratio of Lyme-old Lyme High School and the public school average student teacher ratio of Connecticut by year, with the latest 2022-23 school year data. This chart displays the student teacher ratio of Lyme-old Lyme High School and the public school average student teacher ratio of Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/teacher_student_ratio/16000/16070/lyme-old-lyme-high-school-chart-Tad7Th.png)
American Indian
n/a
n/a
Asian
5%
5%
![This chart displays the percentage of Asian students in Lyme-old Lyme High School and the percentage of Asian public school students in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of Asian students in Lyme-old Lyme High School and the percentage of Asian public school students in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/asian_islander_ethnicity/16000/16070/lyme-old-lyme-high-school-chart-BVLvo4.png)
Hispanic
9%
31%
![This chart displays the percentage of Hispanic students in Lyme-old Lyme High School and the percentage of Hispanic public school students in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of Hispanic students in Lyme-old Lyme High School and the percentage of Hispanic public school students in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/hispanic_students_ethnicity/16000/16070/lyme-old-lyme-high-school-chart-WNo3Pb.png)
Black
n/a
12%
![This chart displays the percentage of Black students in Lyme-old Lyme High School and the percentage of Black public school students in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of Black students in Lyme-old Lyme High School and the percentage of Black public school students in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/black_students_ethnicity/16000/16070/lyme-old-lyme-high-school-chart-dNkVT7.png)
White
82%
47%
![This chart displays the percentage of White students in Lyme-old Lyme High School and the percentage of White public school students in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of White students in Lyme-old Lyme High School and the percentage of White public school students in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/white_students_ethnicity/16000/16070/lyme-old-lyme-high-school-chart-08o72T.png)
Hawaiian
n/a
n/a
Two or more races
4%
5%
![This chart displays the percentage of students of two or more races in Lyme-old Lyme High School and the percentage of public school students of two or more races in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of students of two or more races in Lyme-old Lyme High School and the percentage of public school students of two or more races in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/two_or_more_races_students_ethnicity/16000/16070/lyme-old-lyme-high-school-chart-blXWn5h.png)
All Ethnic Groups
![This chart displays the percentage breakdown of students of all ethnic groups in Lyme-old Lyme High School. This chart displays the percentage breakdown of students of all ethnic groups in Lyme-old Lyme High School.](http://images1.publicschoolreview.com/charts/school_ethnicity/16000/16070/lyme-old-lyme-high-school-chart-hAvRQ6.png)
![This chart displays the percentage breakdown of public school students of all ethnic groups in Connecticut. This chart displays the percentage breakdown of public school students of all ethnic groups in Connecticut.](http://images1.publicschoolreview.com/charts/state_ethnicity_school/16000/16070/lyme-old-lyme-high-school-chart-08o73C.png)
![This chart displays the diversity score of Lyme-old Lyme High School and the public school average diversity score of Connecticut by year, with the latest 2022-23 school year data. This chart displays the diversity score of Lyme-old Lyme High School and the public school average diversity score of Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/diversity_score/16000/16070/lyme-old-lyme-high-school-chart-YGOWLY.png)
Graduation Rate
90-94%
89%
![This chart displays graduation rate of Lyme-old Lyme High School and public school graduation rate of Connecticut by year, with the latest 2021-22 school year data. This chart displays graduation rate of Lyme-old Lyme High School and public school graduation rate of Connecticut by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/graduation_rate/16000/16070/lyme-old-lyme-high-school-chart-Tad7Te.png)
Eligible for Free Lunch
11%
37%
![This chart displays the percentage of students who is eligible for free lunch in Lyme-old Lyme High School and the percentage of public school students who is eligible for free lunch in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for free lunch in Lyme-old Lyme High School and the percentage of public school students who is eligible for free lunch in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/freelunch_students/16000/16070/lyme-old-lyme-high-school-chart-DPvOmX.png)
Eligible for Reduced Lunch
2%
6%
![This chart displays the percentage of students who is eligible for reduced lunch in Lyme-old Lyme High School and the percentage of public school students who is eligible for reduced lunch in Connecticut by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for reduced lunch in Lyme-old Lyme High School and the percentage of public school students who is eligible for reduced lunch in Connecticut by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/reduced_pricelunch_students/16000/16070/lyme-old-lyme-high-school-chart-dNkVTw.png)
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Profile last updated:
Frequently Asked Questions
What is Lyme-old Lyme High School's ranking?
Lyme-old Lyme High School is ranked #69 out of 942 schools, which ranks it among the top 10% of public schools in Connecticut.
What schools are Lyme-old Lyme High School often compared to?
Lyme-old Lyme High Schoolis often viewed alongside schools like East Lyme High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 40% CT state average), while 85-89% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Lyme-old Lyme High School?
The graduation rate of Lyme-old Lyme High School is 90-94%, which is higher than the Connecticut state average of 89%.
How many students attend Lyme-old Lyme High School?
392 students attend Lyme-old Lyme High School.
What is the racial composition of the student body?
82% of Lyme-old Lyme High School students are White, 9% of students are Hispanic, 5% of students are Asian, and 4% of students are Two or more races.
What is the student:teacher ratio of Lyme-old Lyme High School?
Lyme-old Lyme High School has a student ration of 10:1, which is lower than the Connecticut state average of 12:1.
What grades does Lyme-old Lyme High School offer ?
Lyme-old Lyme High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Lyme-old Lyme High School part of?
Lyme-old Lyme High School is part of Regional School District 18.
School Reviews
Review Lyme-old Lyme High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
![Understanding the U.S. Department of Education: Structure, Impact, and Evolution Understanding the U.S. Department of Education: Structure, Impact, and Evolution](https://images1.publicschoolreview.com/articlephoto/890/Understanding-the-U-S-Department-of-Education-Structure-Impact-and-Evolution-cidiytmhnw8ws0g0cosw40k4s-280.jpg)
Understanding the U.S. Department of Education: Structure, Impact, and Evolution
We explore how the Department of Education shapes American education, from its cabinet-level leadership to its impact on millions of students, written for general audiences seeking clarity on this vital institution.
![Segregation in K-12 Education: Colonial Era Segregation in K-12 Education: Colonial Era](https://images2.publicschoolreview.com/articlephoto/874/Segregation-in-K-12-Education-Origins-and-Differential-Treatment-during-the-Colonial-Era-7mcvjfs0jkg8w00wsogkcksks-280.jpg)
Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.
![Personalized Learning: Revolutionizing Education for the 21st Century Personalized Learning: Revolutionizing Education for the 21st Century](https://images1.publicschoolreview.com/articlephoto/889/Personalized-Learning-Revolutionizing-Education-for-the-21st-Century-coo0h88jjc8o0c0cgwgwwkosg-280.jpg)
December 16, 2024
Personalized Learning: Revolutionizing Education for the 21st CenturyExplore the revolutionary approach of Personalized Learning in K-12 education. This article discusses the benefits, challenges, and potential of tailoring education to individual student needs, incorporating technology and adaptive learning methods to prepare students for the 21st century.