for the regular daily sessions of the public schools shall be fixed by the Director of Education, with the approval of the Secretary of Public Instruction; but teachers shall be required  to devote, during the school year, not less than five hours per day to school work for five days in the week, exclusive of holidays. [1881-1.] SECTION  1821 . Discussion of Religious Doctrines to be Eschewed.  — No teacher or other person engaged in any public school, whether maintained from Insular, provincial, or municipal funds, shall teach or criticize the doctrines of any church, religious sect , or denomination, or shall attempt to influence the pupils for or against any church or religious sect. If any teacher shall intentionally violate this section he or she shall, after due hearing, be dismissed from the public service. [74-16; 82-40  (f) .] SECTION  1822 . Provision for Religious Instruction by Local Priest or Minister . — It shall be lawful, however, for the priest or minister of any church established in the town where a public school is situated, either in person or by a designated teacher of  religion, to teach religion for one-half hour three times a week, in the school building, to those public-school pupils whose parents or guardians desire it and express their desire therefor in writing filed with the principal teacher of the school, to be f orwarded to the division superintendent, who shall fix the hours and rooms for such teaching. But no public-school teachers shall either conduct religious exercises or teach religion or act as a designated religious teacher in the school building under t he foregoing authority, and no pupils shall be required by any public-school teacher to attend and receive the religious instruction herein permitted. Should the opportunity thus given to teach religion be used by the priest, minister, or religious teacher f or the purpose of arousing disloyalty to the United States, or of discouraging the attendance of pupils at such public school, or creating a disturbance of public order, or of interfering with the discipline of the school, the division superintendent, su bject to the approval of the Director of Education, may, after due investigation and hearing, forbid such offending priest, minister, or religious teacher from entering the public-school building thereafter. [74-16; 82-40  (f) .] SECTION  1823 . Government Employees Serving as Teachers of Public Schools . — Officers and employees in the Government service may be employed as evening or night teachers in the public schools, and compensation may be paid to them for such service in additi on to their usual salaries. [148-3; Comp., 645.] Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 546