St. Aloysius High School, Ranchi is a day school for boys in Ranchi, Jharkhand. It has an enrolment of 3,000 students attending its three divisions: high school, middle school and English medium school. It is affiliated with the Jharkhand Academic Council, For the last 15 years, the school has been awarded the Best School Award, scoring in the top position for the 10th board by the Ministry of Human Resource Development (India). School timing - 9:45 AM to 3:45 PM