105 ILCS 5/11E-10
In this Article:
"Affected district" means any school district with territory included in a petition for reorganization under this Article that encompasses (i) 25% or more of the total land area of the district, (ii) more than 8% of the student enrollment of the district, or (iii) more than 8% of the equalized assessed valuation of the district.
"Combined high school - unit district" means a school district resulting from the combination of a high school district and a unit district.
"Combined school district" means any district resulting from the combination of 2 or more entire elementary districts, 2 or more entire high school districts, or 2 or more entire unit districts.
"Dual district" means a high school district and all of its feeder elementary districts collectively.
"Elementary district" means a school district organized and established for purposes of providing instruction up to and including grade 8. "Elementary district" includes common elementary school districts, consolidated elementary school districts, community consolidated school districts, combined elementary districts, and charter elementary districts.
"Elementary purposes" means the purposes of providing instruction up to and including grade 8.
"High school district" means a school district organized and established for purposes of providing instruction in grades 9 through 12. "High school district" includes charter high school districts, township high school districts, consolidated high school districts, community high school districts, and non-high school districts.
"High school purposes" means the purposes of providing instruction in grades nine through 12.
"High school - unit conversion" means a school district conversion authorized under subsection (a) of Section 11E-15 of this Code.
"K through 12 purposes" means the purposes of providing instruction up to and including grade 12.
"Multi-unit conversion" means the formation of a combined high school - unit district and one or more new elementary districts as authorized under subsection (b) of Section 11E-30 of this Code.
"Optional elementary unit district" means a unit district resulting from the combination of a high school district and the combination of any one or more elementary districts electing to organize as an optional elementary unit district.
"Partial elementary unit district" means either a combined high school - unit district or an optional elementary unit district.
"School board" means either a board of education or a board of school directors.
"School district conversion" means a high school - unit conversion or a unit to dual conversion.
"School needs" means the needs of the proposed school district and any districts in the area adjacent thereto in relation to, without limitation, providing a full range of high quality educational and extracurricular programs, maintaining a full complement of professional staff to deliver optimal educational services, meeting the program and staff needs of all students, including students with disabilities and students in career and technical education courses, maximizing community involvement in school governance, operating on an economically efficient basis, and maintaining a sufficient local tax base.
"Substantially coterminous" means that a high school district and one or more elementary districts share the same boundaries or share the same boundaries except for territory encompassing, for a particular district, (i) less than 25% of the land area of the district, (ii) less than 8% of the student enrollment of the district, and (iii) less than 8% of the equalized assessed valuation of the district.
"Unit district" means a school district organized and established for purposes of providing instruction up to and including grade 12. "Unit district" includes charter (K through 12) districts, community unit districts, community consolidated unit districts, other districts that, prior to the adoption of the community consolidated unit district and community unit district, authorizing legislation had expanded to provide instruction through the 12th grade (commonly referred to as "Old Type" unit districts), and partial elementary unit districts organized pursuant to the provisions of this Article.
"Unit to dual conversion" means a school district conversion authorized under subsection (b) of Section 11E-15 of this Code.
105 ILCS 5/11E-10