Welcome to Lower Merion High School!
...a storied academic institution & testament to the importance of world-class public education. A fiercely proud, tight-knit educational community, we have blazed a bold path of innovation & achievement since our doors first opened more than a century ago. We're proud of our reputation for academic excellence & passionate about learning and leading.
Following a lively evening of entertainment and philanthropy, Rhys Applestein and Lucia Ridgeway were crowned the 2025 AMAZING ACES as the competition raised more than $17,000 for a collection of worthy causes!
The LM Players recently took center stage with four phenomenal performances of their fall production, Cinderella, in the Aces' auditorium!
Seven LMHS student-athletes recently signed National Letters of Intent as they made their official decisions on where they will continue their academic and athletic careers!
The Aces clinched the PIAA 3A state championship with a convincing 3-0 win over Council Rock South! Finishing the season with a perfect 23-0 record, the Aces also captured both the District One and Central League titles on their way to the state crown!
Niche ranked LMSD as the #1 school district in Montgomery County, with the District & LMHS each earning "A+" grades overall! Main Line Today ranked LMHS as the #1 public high school in Montgomery County!
Announcements & Events
Featured Stories
![Group photo of all five District Science Olympiad teams]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1742501223/lmsdorg/otv38njyhghjiawvehk3/TickettoStates1.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1742501223/lmsdorg/otv38njyhghjiawvehk3/TickettoStates1.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1742501223/lmsdorg/otv38njyhghjiawvehk3/TickettoStates1.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1742501223/lmsdorg/otv38njyhghjiawvehk3/TickettoStates1.png","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1742501223/lmsdorg/otv38njyhghjiawvehk3/TickettoStates1.png","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1742501223/lmsdorg/otv38njyhghjiawvehk3/TickettoStates1.png","width":1856}])
Bala Cynwyd & Black Rock finished in first and second place in the middle school division, while Harriton & LM took home gold and silver, respectively, at the high school level! All five schools secured bids to the State Championships!
- Bala Cynwyd Featured News
- Bala Cynwyd News
- Black Rock Featured News
- Black Rock News
- Harriton Featured News
- Harriton In The News
- LMHS Featured News
- LMHS In The News
- LMSD Featured News
![A photo of Kenisha. She wears glasses and a green sweater.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1741875109/lmsdorg/hvqkgjdtr3l0khxejrdy/KenishaVermaHeadshot.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1741875109/lmsdorg/hvqkgjdtr3l0khxejrdy/KenishaVermaHeadshot.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1741875109/lmsdorg/hvqkgjdtr3l0khxejrdy/KenishaVermaHeadshot.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1741875109/lmsdorg/hvqkgjdtr3l0khxejrdy/KenishaVermaHeadshot.png","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1741875109/lmsdorg/hvqkgjdtr3l0khxejrdy/KenishaVermaHeadshot.png","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1741875109/lmsdorg/hvqkgjdtr3l0khxejrdy/KenishaVermaHeadshot.png","width":1673}])
LMHS 10th grader makes national semifinals in Bio competition
- LMHS Featured News
- LMHS In The News
- LMSD Featured News
- LMSD In The News
![Headshots of Derek Thu, Andres Rivas Mujica, Paul Mezey-McMahon, Molly Diamondstein]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1741632459/lmsdorg/neffa5fwev1o3gmsalsb/StudentsoftheMonth-January2025.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1741632459/lmsdorg/neffa5fwev1o3gmsalsb/StudentsoftheMonth-January2025.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1741632459/lmsdorg/neffa5fwev1o3gmsalsb/StudentsoftheMonth-January2025.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1741632459/lmsdorg/neffa5fwev1o3gmsalsb/StudentsoftheMonth-January2025.png","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1741632459/lmsdorg/neffa5fwev1o3gmsalsb/StudentsoftheMonth-January2025.png","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1741632459/lmsdorg/neffa5fwev1o3gmsalsb/StudentsoftheMonth-January2025.png","width":2200}])
Shoutout to Derek Thu, Andres Rivas Mujica, Paul Mezey-McMahon and Molly Diamondstein for earning Student of the Month honors!
- LMHS Featured News
- LMHS In The News
![Three images of students dancing at the Shades of Black event]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1741288850/lmsdorg/kpzoph4ahxz4rgexmkji/ShadesofB1.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1741288850/lmsdorg/kpzoph4ahxz4rgexmkji/ShadesofB1.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1741288850/lmsdorg/kpzoph4ahxz4rgexmkji/ShadesofB1.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1741288850/lmsdorg/kpzoph4ahxz4rgexmkji/ShadesofB1.png","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1741288850/lmsdorg/kpzoph4ahxz4rgexmkji/ShadesofB1.png","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1741288850/lmsdorg/kpzoph4ahxz4rgexmkji/ShadesofB1.png","width":2200}])
The Black Student Unions (BSU) of Harriton and LM hosted a vibrant celebration of Black History Month that brought students, staff, families and friends together in the for an evening of artistry, entertainment and education.
- Black History Month
- Harriton Featured News
- Harriton In The News
- LMHS Featured News
- LMHS In The News
- LMSD Featured News