She must employ herself in the direction and management of the teaching of systems, methods, and processes determined upon in the board of instructresses, always with the approval and under the presidency and immediate authority of the directress. The head teacher shall also have the duty of carrying out the orders of the schedule in reference to the practice of those scholars who are candidates for teachers, and shall explain the studies determined by paragraphs 2 and 3 of article 5. 3. Three teachers for the theoretical and practical teaching of the studies included in the school schedule, except those which the directress, the regent of the practice school, and the professor of religion and ethics have under their charge. 4. Two assistant teachers for the practice school, one for the upper section, and the other for the elementary section. 5. One virtuous and learned secular who shall be charged by the reverend diocesan bishop with the teaching of religion, ethics, and sacred history. 6. A sister to act as portress and the women servants or subordinates who are considered indispensable. Art. 17. The interior regulations shall assign to each one of the teachers the duties which they shall have in charge for the moral and religious education of the scholars, whom they shall accompany, and watch during study hours, recreation hours, and during the other occupations prescribed by the same interior regulations. CHAPTER IV Of scholars and their admission Art. 18. Scholars in the normal school shall be resident and day pupils, and shall be divided into the following classes: 1. Scholars who are candidates for teachers, and who are supported from the local funds. 2. Scholars who are candidates for teachers, and who are supported by their parents or benefactors. 3. Scholars who are not candidates for teachers, and who are supported by their parents or benefactors for the purpose of acquiring the education and teaching of the normal school, in order to apply them to the family and to the uses of domestic life. 4. Girls who attend the practice school. Art. 19. The scholars included in paragraph 1 shall always be boarders. Those included in paragraphs 2 and 3 may be boarders or day pupils, whenever they possess the qualifications which are prescribed in these regulations. Art. 20. In order that any resident scholar sustained by the public funds may be admitted, the following requirements are necessary: 1. She must be a native of the diocese of Nueva-Cáceres. 2. She must be fully seventeen years old, [56] and not past twenty-three. Those requirements shall be proved by her baptismal register, or by any other equivalent public document 3. She shall not have any contagious disease, or any chronic disease or any physical defect which makes her ridiculous whether because of lack of respect or because it incapacitates her for teaching.