(1) No student shall be compelled to solicit or meet any kind of quota in a fundraising activity. Solicitations by students shall be on a completely voluntary basis and no grade changes or any other sanctions shall be imposed for refusal or failure of a student to engage in any solicitations or other fundraising activity. No public school shall promote or engage in a schoolwide fundraising project without the prior approval of the local board of education.
(2) Nothing in this section shall prohibit student participation in classes in which salesmanship is an integral part of the prescribed curriculum.