California Code, Education Code - EDC § 16332

Whenever a school district determines that it is in its best interest to provide facilities on a given schoolsite in addition to those contained in the approved application, it may do so, with any excess funds it has available for capital outlay purposes, beyond those required under this article, by adding the excess funds to the total cost of the project. There shall be no penalties imposed under this article as a result of the expenditures.