| Table 12. Notes on Data Sources | ||||
| Term | Source Notes | Value in 1998 | Change Factor | Value in 2008 |
| Current System Traditional Public School Students | Based on a blended measure of early-year and late-year attendance. | 1,650,000 | n/a | 1,772,654 |
| Charter School Students | Exec. Budget 1998, p. C2, estimates 77 charter schools and 12,500 students in FY1997. Adjusted at 10% growth and for school year following state fiscal year. Likely growth is higher in early years and lower in later years. | 15,125 | 1.1 | 39,230 |
| Private School Students: | Estimates of private school associations and other educators; includes Catholic, Lutheran, and private school association members. | 220,000 | 1.02 | 268,179 |
| Home School Students | Actual number unknown, since many home schoolers distrust government agencies and do not report attendance to them. Number based on averaged estimates of home school parents, associations, and education officials. | |||
| Total State and Local Per-Pupil Expenditures | This amount does not include two items: ISD and Categoricals. ISD Local operating money is about $600 million, and Categoricals will be about $700 million, Thus, total spending will be higher than this "membership" spending. Federal spending not in these two categories is also excluded. | |||
| Per-Pupil Guarantee | Exec. Budget 1998 rec: $5,445; up 2.6%. Adjusted for school year following state fiscal year. Does not include all funds. Actual weighted average of expenditures is about 6% higher, since many school districts spend more than the foundation grant. | $5,608 | 1.03 | $7,537 |
| Tax Credit Scenario Max Share of Per-Pupil Guarantee | Share adjusts from 10% to 50%, according to proposal. | 0% | n/a | 50% |
| Tuition Growth Factor | Assumed to be higher than state funding growth, due to added demand and reduced disincentives for alternative schools. | 1.045 | ||
| n/a = not applicable | ||||
