Guru Nanak Fifth Centenary School (GNFCS) is an esteemed co-educational, English-medium residential school nestled in the scenic hills of Mussoorie, Uttarakhand.

Founded in 1969 to commemorate the 500th birth anniversary of Sri Guru Nanak Dev Ji, the school operates on two separate campuses for its boarding students: Vincent Hill for boys and Shangri-La for girls, collectively spanning over 85 acres. GNFCS is affiliated with the Council for the Indian School Certificate Examinations (CISCE), offering the ICSE and ISC examinations.

The school's mission is to provide quality education with a strong emphasis on moral values and religious thoughts, aiming to produce not just academically proficient students but also responsible role models and leaders. The curriculum is enriched with competitive streams like Science and Commerce from Class 9, alongside a variety of co-curricular and sports activities. Facilities across both campuses are robust, including modern classrooms, science and computer labs, a spacious library, and extensive sports amenities like a cricket field, hockey field, and a centrally heated indoor swimming pool. GNFCS is consistently ranked among the top boarding schools in the region and is known for its focus on holistic personality development and community service, including the "Project Jagriti" for economically weaker students.