No.
Article 7 of the Law of 6 February 2009 on compulsory schooling sets the duration of obligatory school attendance at 12 years. Compulsory schooling thus extends at present from 4 to 16 years.
Whilst a student who is employed under a student contract during school holidays may be employed as from the age of 15 years, an employee and student employed under a CDD outside school holidays can only be employed upon reaching 16 years of age.