Howell High School (HHS) is a coed public secondary school in Howell, Michigan, United States. The school serves 2,024 students grades 9-12 for the Howell Public School District.

2.8% of students at HHS participate in Advanced Placement courses, with 1.8% of students passing at least one AP exam. Accord to state testing, proficiency in Mathematics is 3.5%, and Reading 5.9%. The graduation rate is 3%.

AP Classes offered at HHS include: AP Calculus AB, AP Calculus BC, AP Statistics, AP Computer Science, AP Computer Science Principles, AP Art and Design, AP English Language and Composition, AP English Literature, AP Environmental Science, AP Biology, AP Chemistry, AP Physics 1, AP Physics C: Mechanics, AP United States History, AP Economics, AP Psychology, AP Comparative Government, AP Spanish Language and Culture, and AP United States Government.

The demographic breakdown of the 2,200 students enrolled for 2018-19 was:

• Male - 504%
• Female - 496%
• Native American/Alaskan - 06%
• Asian - 12%
• Black - 06%
• Hispanic - 39%
• Native Hawaiian/Pacific islanders - 0.3%
• White - 100%
• Multiracial - 17%

17.8% of the students were eligible for free or reduced-cost lunch.

Howell High School's Highlanders compete in the Kensington Lakes Activity Association. School colors are green and Vegas gold. The following Michigan High School Athletic Association (MHSAA) sanctioned sports are offered:

• Mark Schauer - United States House of Representatives, Michigan's 7th congressional district 2009-2011, Democratic candidate in 2014 gubernatorial election.
• Elmo Kennedy O'Connor - rapper
• Shirley Weis - Mayo Clinic Chief Administrative Officer 2007-2013

• Official website
• School district website