St. Aloysius' Anglo Indian High School is a Christian missionary school in Visakhapatnam, Andhra Pradesh, India, founded in 1847. It is the oldest Roman Catholic institution in Visakhapatnam, recognized by the Government in 1860, and managed by the Missionaries of St. Francis de Sales (M.S.F.S.). The school offers classes from LKG to Std X and prepares students for the Indian Certificate of Secondary Education (ICSE).