CA voter information guide [pdf]

I am having trouble understanding the technical details here. E.g.,

The amounts so calculated shall be offset by the amounts specified in subdivision (c) of Section 2558 of, paragraphs (1) through (7) of subdivision (h) of Section 42238 of, and Section 47635 of, the Education Code for county offices of education, school districts, and charter schools, respectively, as those sections read on November 6, 2012, that are in excess of the amounts calculated pursuant to Sections 2558, 42238, and 47633 of the Education Code for county offices of education, school districts, and charter schools, respectively, as those sections read on November 6, 2012, provided that no school district, county office of education, or charter school shall receive less than two hundred dollars ($200) per unit of average daily attendance.