The Constitution assures to all persons:
10. The right to education.
Education has as its goal the full development of the person in the distinct stages of his life.
Parents have the preferential right and the duty to educate their children. It will correspond to the State to provide special protection for the exercise of this right.
For the State it is obligatory to promotepreschool [parvularia] education, forwhich it will finance a gratuitous system beginning at the medium lower level [nivel medio menor], allocated to assure access to this and its higher levels. The second level of transition is obligatory, constituting a prerequisite for admission tobasic education.Basic education and secondary education are obligatory; the State must finance a gratuitous system with this objective, designed to assure access to it by all of the population. In the case of secondary education, this system, in conformity to the law, will be extended until 21 years of age has been reached.
It will, likewise, correspond to the State to promote the development of education at all levels; stimulate scientific and technological research, artistic creation, and the protection and increase of the cultural patrimony of the Nation.
It is the duty of the community to contribute to the development and improvement of education;
… (Art. 19)