Mark Keppel High School (MKHS) is a four-year California Distinguished School located in the city of Alhambra, California, in the Alhambra Unified School District. The school is in a residential neighborhood, directly south of the abutting Interstate 10, and just across the street of the northern boundary of Monterey Park. Mark Keppel serves students from portions of Alhambra and Monterey Park. Mark Keppel has been accredited by the Western Association of Schools and Colleges—for the first time in 1965 and most recently in 2020, for a fixed term after each evaluation.