SNHS

SNHS may refer to:
 * Science National Honor Society, an American high school honor society

Schools

 * St Ninian's High School (disambiguation)
 * Salendine Nook High School, Huddersfield, West Yorkshire, England
 * Sarrat National High School, Sarrat, Ilocos Norte, Philippines
 * Southern Nash High School, Bailey, North Carolina, United States