Lahser High School was a high school in Bloomfield Township, Oakland County, Michigan, near Bloomfield Hills and in Greater Detroit.

In 2020, it was decided that the Lahser campus would become the site of Bloomfield Hills Middle School North following a successful bond proposal.

[6] Lahser won several MHSAA state championships including: men's soccer (1999),[7] men's/women's tennis (men's, 2002), women's lacrosse, and women's golf.

Lahser competed within the Oakland Activities Association Blue Division for football.

Lahser's crosstown rival was Andover High School, which is the current site of the merged Bloomfield Hills High School[3] Lahser offered several AP courses and introduced IB courses starting 2013.