Ms. Illig is the one who is "off the mark".  

She cites public school class size as a major reason we need this 30% increase in state revenue - the largest tax increase in state history.

But there is "no-real-world-evidence"  that suggests that school districts will spend additional revenue on class size...i.e. by budgeting  a net increase in the number of teachers they employ.

Instead, school districts will do just what Eugene District 4J has done in recent years:  whine about class size, blaming it on a lack of resources; resolving in a highly public way to spend any new revenue on hiring a net increase of teachers; and then instead plowing any additional money they do receive into:  increased payments to PERS (spurred by public employee-retiree lawsuits - including those from former teachers), increasing the top of the teacher salary schedule, and adding back days to the calendar (i.e. paying teachers and other employees more money for essentially doing the same job).