1. Kindergarten desks and chairs: 340mm*300mm*53mm, 260mm*2 10mm*240.
2. Pupils' desks and chairs: 600mm×450mm×(750-660)mm? ，345mm×240mm×(455-395)mm？ .
3. Middle school students' desks and chairs: 600mm×450mm×(780-690)mm, 345mm×240mm×(455-? 395)mm？ .
Functional dimensions of school desks and chairs (GB/T 3976-2002)
The desktop height of each model is consistent with international standards, and the seat height is 20mm, which is low10 mm.
The size of desks and chairs in primary and secondary schools: the desktop width (left and right direction) is changed from the original 550 mm ~ 600mm (for single use) and 1000 mm ~ 1200mm (for double use) to 600mm and 1200mm respectively.
Functional Dimensions of School Desks and Chairs (GB/T 3976-2002) was jointly proposed by the people of China and the Ministry of Health. The main drafting unit of this standard: School of Public Health, Harbin Medical University. The main drafters of this standard are Tang Xilin, Wang Yijun and Wang Dongmei. This standard is entrusted by the Ministry of Health to be interpreted by Peking University Institute of Children and Adolescent Health.
Reference to the above content: Baidu Encyclopedia-desks and chairs