10.__Grade 9 to 12 portion.__"Grade 9 to 12 portion" means those pupils in the secondary grades or high school level.

11.__Guidance staff.__"Guidance staff" means full-time public guidance counselors, directors of guidance or school social workers, as documented in the department's database.

12.__Health staff.__"Health staff" means full-time public school nurses, as documented in the department's database.

13.__High school level. "High school level" means grade 9 to grade 12.

14.__Income weight. "Income weight" means a value between zero and one that is used to adjust a municipality's ratio of local median household income to the statewide median household income.__ The income weight plus the property weight, as defined in subsection 24, must total one.

15.__Kindergarten to grade 8 portion. "Kindergarten to grade 8 portion" means those pupils in the elementary grades or a combination of the elementary school level and middle school level.

16.__Kindergarten to grade 2 student.__"Kindergarten to grade 2 student" means a student in any grade from prekindergarten to grade 2 who is at least 5 years old on October 15th of the school year.

17.__Librarian.__"Librarian" means a full-time public librarian or media specialist, as documented in the department's database.

18.__Limited English proficiency student.__"Limited English proficiency student" means a student who was not born in the United States or whose native language is a language other than English and who satisfies the definition of a limited English proficient student under the federal No Child Left Behind Act of 2001, 20 United States Code, Chapter 70.

19.__Media assistant.__"Media assistant" means a full-time public librarian aide or library technician I, librarian assistant or library technician II or librarian associate or