In 2002, the Tolland Board of Education recommended the construction of a new building for THS.

Voters approved the $56.6 million construction in June 2003 with a vote of 2,302 to 2,083.

Improvements over the old building included a larger auditorium, new furniture, new sports fields, and a technology wing.

[2] According to U.S. News & World Report, there are 828 enrolled as of April 2017, resulting in a student-teacher ratio of 14:1.

Tolland High School has a graduation rate of 98%[3] The Tolland Alternative Learning Center (TALC) is an alternative education program at the Tolland High School that helps struggling students graduate high school, initiated in January 2004.