Lyme-Old Lyme High School
| Lyme-Old Lyme High School | |
|---|---|
| Location | |
69 Lyme Street , Connecticut 06371 United States | |
| Coordinates | 41°19′07″N 72°19′30″W / 41.3187°N 72.3250°W |
| Information | |
| School type | Public, High school |
| School district | Lyme-Old Lyme Public Schools |
| CEEB code | 070600 |
| Principal | James Wygonik |
| Teaching staff | 40.80 (FTE) |
| Grades | 9-12 |
| Enrollment | 392 (2023-2024) |
| Student to teacher ratio | 9.61 |
| Hours in school day | 6 |
| Colors | Blue and white |
| Athletics conference | Shoreline Conference |
| Team name | Wildcats |
| Newspaper | The Osprey |
| Yearbook | Lymen |
| Feeder schools | Lyme-Old Lyme Middle School |
| Website | lolhs |
Lyme-Old Lyme High School is a public high school in Old Lyme, Connecticut. It serves grades 9 through 12 and is the only high school operated by Lyme-Old Lyme Schools. The school has a wide range of award-winning groups and athletics programs, including at least 38 clubs. Several clubs including the robotics team and mock trial team compete nationally. In addition, the school ranks number 8 in Connecticut for academics according to U.S. News & World Report, with 67% of student taking one or more APs during their high school career as of 2025.