Junior high school textbooks are generally PEP textbooks. The textbooks published by People's Education Press are generally 25.8 cm long and 18.4 cm wide. The size of A4 is 2 10/0mm× 297mm. ..

Textbooks generally have two specifications: one is 15cm wide and 20.5cm high, and the other is 2 1cm wide and 30cm high. In terms of paper size, junior high school is 32 folio, which is as big as primary school textbooks. High school is 16.