Spread across 10 acres of green campus on Bharthala Road along the Ludhiana–Chandigarh State Highway, Sentinel International School is among the most visible and well-equipped CBSE schools serving Samrala and the surrounding belt of Ludhiana district. The school runs classes from Nursery through Class 12 and operates as a co-educational, English-medium institution under the Central Board of Secondary Education. Under the leadership of President Karanvir Singh Dhillon and Principal Dr. Poonam Sharma, the school has built its identity around three stated values - We Care, We Support, We Achieve — which guide both classroom practice and campus culture.

As a CBSE school in Samrala, the academic programme spans pre-primary through senior secondary, with smart classrooms, digital learning tools, and interactive teaching methods woven into daily instruction. The school has crossed 10,000 enrolled students and records participation in over 20 co-curricular activities each session, reflecting both its scale and its range of engagement. A structured house system - Ranjit, Partap, Azad, and Bhagat — organises students across competitive and leadership activities, and a Students' Council provides a formal channel for student participation in school governance.

The campus infrastructure includes Physics, Chemistry, Biology, Computer, and Composite laboratories, an activity room, art and music spaces, a playground, and a swimming pool. Sports at SIS go well beyond the standard - the school runs taekwondo and shooting training, skating sessions, and swimming as part of its regular programme, each documented in its video gallery. A dedicated Medicare section on the campus, a trained health office, and security camera coverage across the school reinforce the focus on safety and wellbeing. Social responsibility is embedded in the curriculum, with each student expected to participate in community service activities as part of their development at SIS.

Admissions for the 2026-27 session are open, with online registration available at sentinelsamrala.classonapp.com. Parents can reach the school at +91-7719573546 or via WhatsApp at +91-8727970546, or write to sentinelschoolsamrala@gmail.com. The school is located at Bharthala Road, Ludhiana–Chandigarh State Highway, Samrala, Punjab - PIN 141114.