St. Thomas Aquinas Secondary School

St. Thomas Aquinas Secondary School may refer to:

In Canada:
 * St. Thomas Aquinas Secondary School (Brampton), Ontario
 * St. Thomas Aquinas Catholic Secondary School (Lindsay), Ontario
 * St. Thomas Aquinas Catholic Secondary School (London, Ontario)
 * St. Thomas Aquinas Catholic Secondary School (Oakville), Ontario
 * St. Thomas Aquinas Catholic Secondary School (Tottenham), Ontario

In England:
 * St. Thomas Aquinas Catholic School, Birmingham

In Ghana:
 * St. Thomas Aquinas Senior High School

In Scotland:
 * St. Thomas Aquinas Secondary School, Glasgow