9-10 November 2015. SCS celebrated yearly tradition of the Alumni Homecoming with the theme Karlista: Abang Lingkod ni Hesus sa Eukaristiya, Dukha, at Pamilya.

As part of the yearly tradition, SCS celebrated the 83rd alumni homecoming with a new schedule. The first day had the arrival of the alumni, registration, and a festive welcome at 4 in the afternoon. This was followed by the Mass at 5:30 by Most. Rev. Antonio Tobias. Afterwards, Cardinal Tagle gave a short talk on the theme and what it means to be a Karlista. Dinner then took place and the programme prepared by the seminarians and the special guest Ms. Angeline Quinto. Frs. Angelo Parlan, Ramon Molina, and Benjamin Jugueta showcased their talents. The following day was marked by the Celebration of the Mass presided by Fr. Baby Malgapo, a golden jubilarian this year.