( i ) He shall maintain, in Manila or elsewhere in the Philippine Islands, classes to furnish superior instruction to teachers, as may be by law allowed or required. [1984-1; 2048-2; Comp. 2021.] discretion in favor of those towns which shall construct and maintain suitable schoolhouses by local taxation or  contributions. SCaEcD SECTION  1805 . Authority of Director of Education to Assign Teacher to Special Duties . — The Director of Education, with the approval of the Secretary of Public Instruction, may detail or assign any superintendent or teacher to perform such duties in any di vision or branch of the Bureau of Education as the exigencies of the service may require. Teachers thus designated for continuous duty throughout school vacation shall be upon the same footing as regards leave as employees in the civil service generally. [2319-1 (Bur. Ed.).] SECTION  1806 . Regulations for Special Schools . — The regulations of the Bureau of Education shall contain provisions for the administration and governance of the Philippine Normal School, the Philippine School of Arts and Trades, the Philippine Nautical Sc hool, the School of Household Industries, and other special Insular schools from time to time established by law. Such regulations shall contain provisions prescribing the qualifications of students entering or graduating from such institutions, so far as  the same are not fixed by law. [2388-4; Comp., 2034, 2035.] SECTION  1807 . Philippine Nautical School . — Applicants for the course in the Philippine Nautical School must be between sixteen and twenty-one years of age, must have completed at least the intermediate course of the public schools or its equivalent, must  be able to pass a physical examination, must signify their intention to follow the sea after finishing their course, and must furnish a recommendation from the division superintendent of schools or other person of good reputation certifying to the good cha racter and ability of the candidate for admission. STcEIC The curriculum of the Nautical School shall include the practice of navigation on a vessel of the Government, if there be one, and in default thereof on a merchant vessel, for the period of at least one and one-half years, prior to the issuance of the grad uation diploma. Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 541