The Subhwanti Institute of Education (SIE) is a teacher training institute located in Siwan, Bihar, India. It was established in 2015 under the aegis of the Subhwanti Sudama Rai Foundation. The institute is recognized by the National Council for Teacher Education (NCTE) and is affiliated to Lalit Narayan Mithila University.

SIE offers a Bachelor of Education (B.Ed.) program, which is a two-year undergraduate degree program required for teaching at the secondary level in India. The institute also offers a Diploma in Elementary Education (D.El.Ed.) program, which is a two-year diploma program required for teaching at the primary level.

The institute has a well-qualified and experienced faculty of teachers who are committed to providing students with a quality education. The institute also has a good infrastructure, including a well-equipped library, laboratory, and computer lab. The mission of the SIE is to provide quality learning experiences to develop the holistic personalities of the trainee teachers. The institution strives to inculcate among the trainee Teachers the desirable values and attitudes, to develop the skills & creative potentialities. It equips the trainee teachers with fashionable trends in education & develops love, affection & concern towards society. The institution has committed itself to working towards national and international distinction to prepare leaders in education.

SIE has a well-established Training and Placement Cell, which trains students and offers them internships during the course. The cell facilitates placement opportunities for students and also provides career guidance to them. The cell at the SIE Siwan campus conducts seminars, workshops, and special guest lectures to develop the overall personality development of students. The T&P cell maintains relations between students and companies and invites top companies to the campus for placements.