SLHS

SLHS may refer to:


 * St. Louis High School (disambiguation), several schools
 * San Leandro High School, San Leandro, California, US
 * Seven Lakes High School, Katy, Texas, US
 * Show Low High School, Show Low, Arizona, US
 * South Lakes High School, Reston, Virginia, US
 * South Lyon High School, South Lyon, Michigan, US
 * Spanaway Lake High School, Spanaway, Washington, US
 * Standley Lake High School, Westminster, Colorado, US