Candidates must be Indian citizens and must possess the prescribed educational and teacher-training qualifications for the relevant teaching level. Primary and Middle School posts require the applicable CTET/BTET qualification, while Secondary and Higher Secondary posts require the applicable Bihar STET qualification. Minimum age is 18 years for Classes 1-5 and 6-8 posts and 21 years for Classes 9-10 and 11-12 posts.

BPSC TRE 4.0 uses a Preliminary Examination followed by a Main Examination. The Preliminary Examination consists of 150 objective questions for 150 marks in General Studies with 1/3 negative marking. The Main Examination carries 150 marks: Primary has 30-mark qualifying Language and 120-mark General Studies, while Classes 6-8, 9-10 and 11-12 have 30-mark qualifying Language, 40-mark General Studies and 80-mark concerned Subject sections.

BPSC has notified 32,388 School Teacher vacancies under TRE 4.0: 3,847 Primary Teachers for Classes 1-5, 8,563 Middle School Teachers for Classes 6-8, 3,877 Secondary Teachers for Classes 9-10 and 16,101 Senior Secondary Teachers for Classes 11-12.

Selection is based on the Preliminary Examination followed by the Main Examination. The Preliminary Examination is used for screening and candidates are shortlisted for the Main Examination according to the prescribed merit and vacancy ratio. Final merit is prepared from Main Examination marks; there is no interview.

The initial basic pay is ₹25,000 per month for Primary Teachers, ₹28,000 for Middle School Teachers, ₹31,000 for Secondary Teachers and ₹32,000 for Higher Secondary Teachers, along with admissible Bihar Government allowances and benefits.

The examination fee is ₹100 for each applicable teaching level/cadre. Candidates applying for more than one teaching level have to pay the prescribed fee separately for each level. An additional ₹200 biometric fee is applicable where Aadhaar number is not provided as identity proof, along with applicable payment gateway charges.

One Time Registration (OTR) is required before applying. Candidates must select only the teaching level and subject for which they satisfy the prescribed qualification and TET/STET requirements. The application must be completed online within the notified dates, and candidates should retain the submitted application and payment details. The vacancy figures may be revised by the Education Department/BPSC.

Candidates should keep Aadhaar/valid identity proof, matriculation certificate or equivalent date-of-birth proof, educational qualification certificates and marksheets, D.El.Ed/B.El.Ed/B.Ed or other applicable professional qualification certificates, CTET/BTET/STET certificates or required proof, category/EWS/PwD certificates where applicable, photograph, signatures and other certificates required for the selected teaching level ready for online application and verification.