Sekolah Berasrama Penuh Integrasi Tun Abdul Razak (English: Tun Abdul Razak Integrated Residential School, abbreviated InSTAR) is one of the 67 boarding schools (SBP) in Malaysia.

On 23 May 2010, the name of Sekolah Berasrama Penuh Integrasi Pekan has been officially changed to Sekolah Berasrama Penuh Integrasi Tun Abdul Razak with abbreviation of InSTAR (Integrated Residential School of Tun Abdul Razak).

Since then instar continues to grow and now has reached maximum enrolment capacity of 560 students, 62 teachers and 20 supporting staff.

Religious Pure Science offers 11 subjects for SPM, which are Malay language, English, History, Mathematics, Additional Mathematics, Biology, Physics, Chemistry, High Arabic language, Quran and Sunnah Education and Educational of Islamic Sharia.

International language education was introduced in the school such as Arabic, French and Mandarin.