As used in the Family Income Index Act:
A. "above average income" means a household income of two hundred twenty-five percent or a higher percentage of the federal poverty level;
B. "extremely low income" means a household income of up to seventy-five percent of the federal poverty level;
C. "low income" means a household income of at least one hundred thirty percent but less than one hundred eighty-five percent of the federal poverty level;
D. "moderate income" means a household income of at least one hundred eighty-five percent but less than two hundred twenty-five percent of the federal poverty level;
E. "school district" includes a state-chartered charter school; and
F. "very low income" means a household income greater than seventy-five percent but less than one hundred thirty percent of the federal poverty level.