All private schools shall report to the county superintendent of education, upon request therefor of the county wherein such school is located, the number of pupils receiving instruction, the number in regular attendance, the number of teachers employed and such other facts as will show the grade and amount of educational work actually done in such private school. The management of any private school neglecting, refusing or omitting to file such report within two weeks after the close of the regular session shall be subject to a fine of not more than twenty-five dollars.