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.
Harriton/LMSD has been named one of the 2019-2020 "Best Communities for Music Education" by the NAMM Foundation honoring schools for exceptional efforts to maintain music education as part of the core curriculum and for the breadth and quality of the musical program. This marks the tenth consecutive year LMSD has earned this distinction.
Lower Merion and Harriton high schools ranked #1 and #2 in the state among non-admission-based schools on the ACT exam and in the top 1.5% of schools in the state in the SAT exam.
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 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.
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.
Harriton alum Samuel Weissman won second place in the 2018-19 Regeneron Science Talent Search Competition and $175,000 in prize money for his innovative research on HIV cells.
Harriton’s fourth annual Mini-THON raised more than $45,000 for the Four Diamonds Fund and childhood cancer research.
For the past 25 years, the Harriton school community has organized an annual Day of Service. More than 1300 student and staff volunteers visit sites throughout the Delaware Valley in May 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.
Harriton was well-represented in the 2019 National Latin Exam (NLE) as 72 students were recognized for their exemplary performance across all levels of the assessment, including three perfect scores.
District and state athletic excellence in tennis, basketball, baseball and lacrosse.