STCS may refer to:
Education Saginaw Township Community Schools (STCS), Michigan, USA; a school board Southern Tier Catholic School (STCS), Olean, NYS, USA; a Montessori school St. Clairsville-Richland City School District (STCS), Ohio, USA; a school board St. Theresa's Convent Sr. Sec. School (STCS), Karnal, Haryana, India Cumilla Signal Training Centre and School (STC&S), Bangladesh Army
Other uses
Society of Technical Civil Servants, British trade union Star Trek: Starship Tactical Combat Simulator (STCS, ST:STCS), a game
See also
St. Theresa Catholic Secondary School (STCSS), Belleville, Ontario, Canada
STC (disambiguation), for the singular of STCs