The school provides a comfortable learning environment with classrooms that accommodate up to 50 students each. Each classroom is equipped with an LED TV and a projector to display teaching materials. Additionally, there are two types of desks available: desks on the right side for right-handed students and desks on the left side for left-handed students. The classrooms also feature excellent ventilation, typically with two doors (one at the front and one at the back).
The laboratory is clean and well-ventilated, offering a conducive environment for students to work. It is also fully equipped with tools and materials necessary for laboratory activities.
The library is spacious, well-stocked with a wide collection of books, and offers a comfortable setting. The friendly staff further enhances the experience, making it a pleasant place for students to spend time during breaks or free periods.
There are several food stands or kiosks in SHS SLU, each offering a variety of specialty dishes at affordable prices, making them a popular choice among students.
The school also offers a variety of clubs and organizations, including Campus Ministry, Glee Club, Girl Scouts of the Philippines, Boy Scouts of the Philippines - Senior Boy Scouts, TLE Club, MDAS Club, Samahang Filipino, Science Club and Science Research Club, Performing Arts, Louisian Sports Club, Senior Red Cross Club, The Louisian (Publication), Samahan ng mga Nagkakaisang Mag-aaral (SANAMA - United Student Council), and the SLU Band.
SHS SLU adopts advanced teaching methods, utilizing smart TVs to display educational videos and teaching materials, enhancing the overall learning experience.