Niche ranked LMSD as the #1 school district in Montgomery County, with the District and Harriton each earning "A+" grades. Main Line Today ranked Harriton as the #2 public high school in Montgomery County.
Harriton is a two-time recipient of the Department of Education's Blue Ribbon School Award and consistently ranks among the nation's finest in Newsweek and US News ratings.
The NAMM Foundation has recognized Harriton/LMSD as one of the nation's 2021-22 "Best Communities for Music Education a 2021-22 for exceptional efforts to maintain music education as part of the core curriculum and for the breadth and quality of the musical program.
One of only 960 high schools in the country to offer the International Baccalaureate Diploma Program.
Harriton's dual enrollment program with the University of the Sciences enables students to earn college credits while attending high school.
85% of IB students since 2003 have earned an IB Diploma. The international average is approximately 80% while the US average is approximately 70% for diploma completion.
Harriton has earned the "No Place for Hate" designation from the Anti-Defamation League, an initiative aimed at creating and sustaining inclusive school environments.
The Pennsylvania Department of State & Education announced that Harriton earned the Gold-Level Governor's Civic Engagement Award for the outstanding efforts of students to educate, engage and inform their fellow classmates about how to get involved in the voting process.
Harriton Science Olympiad won their fifth consecutive state championship – their 21st in the last 22 years – and finished third at the national competition. This marks Harriton's 26th consecutive top-ten finish and fourth top-three finish at Nationals in as many years.
Harriton's Science Olympiad and Technology Student Association (TSA) perennially excel at the local, state and national levels.
The Harriton buildOn Trek Team raised more than $80,000 to construct a school in the rural and impoverished of Thapapur, Nepal.
The annual Dr. Harriton competition raised more than $60,000 for charity.
For nearly three decades, Harriton has organized an annual Day of Service where more than 1,300 student and staff volunteers visit sites throughout the Delaware Valley to lend a helping hand to those-in-need.
Harriton students received local, state and national recognition in the Scholastic Art & Writing Awards and were selected to Pennsylvania Music Educations Association (PMEA) and the National Association for Music Education (NAfME) Honor Ensembles.
District and state athletic excellence in tennis, basketball, soccer, baseball and lacrosse.