Besides the director and teachers, the school shall have the brother coadjutors who shall be considered necessary. There shall also be one porter, and the other indispensable subordinates. Art. 17. The salaries to be received by directors, professors, coadjutors, and subordinates, as well as the allowance for expenses of materials, shall be fixed by the superior civil governor by agreement with the right reverend archbishop of Manila, information of which shall be given to the government for its approval. Of examinations Art. 18. At the end of each month in each one of the classes of the normal school, there shall be a private examination in all the subjects studied during that period. A like exercise shall be held at the end of the first semester each year, in regard to the branches studied during that time. At the end of the course, a general examination shall be held. This exercise shall be public and in the presence of the authorities and persons of distinction in the capital, and shall be terminated with the announcement and distribution of prizes. Of holidays and vacations Art. 19. The holidays of the normal school shall be Sundays, feast days, Ash Wednesday, the day set aside for the commemoration of the faithful dead, [32] and also the saint's days and birthday anniversaries of their Majesties and the prince of Asturias, and the saint's day of the superior civil governor. The shorter vacations shall extend from Christmas eve to Twelfth-night, during the three carnival days, [33] and from Holy Wednesday until Easter. During said vacations, the resident scholars shall remain in the institution. The longer vacations shall last one and one-half months, and shall be during the time of the greatest heat. The resident scholars may pass to the bosom of their families for the period of the longer vacations. The scholars may go once a month to the house of their parents or guardians. Of rewards and punishments Art. 20. The degree of excellence of the scholars shall be recompensed by honorable marks, which shall be kept in the book of the institution; and by annual prizes, whose solemn distribution shall take place at the termination of the public examinations. Art. 21. Punishments shall be: public censure; deprivation from recreation and the walk; banishment and separation from the other scholars; and if these are not sufficient, the definitive punishment shall be expulsion from the school. Expulsion shall irremissibly take place because of any contagious disease, for notable laziness and lack of application, for serious lack of respect to the teachers, and for bad conduct or depraved morals. Art. 22. As a reward shall also be the public reading of the marks of good deportment, application and progress; and as punishment the reading of the contrary marks. That shall be done monthly for that purpose, assembling in one place all the scholars with their teachers, in the presence of the director.