Whenever the parents or guardian of any pupil of the school district are unable to provide the fees and supplemental charges assessed and collected under authority of subsection (a) of Kan. Stat. Ann. § 72-3353, the board of education shall, if written application is made and said board finds the application meritorious, waive said fees and supplemental charges if the items for which said fees and supplemental charges are assessed and collected are necessary for the completion of the basic requirements of courses of study offered in the school district.