<div><p>Intermediate Units are United States regional educational service agencies, established by the Pennsylvania General Assembly. Intermediate Units serve a given geographic area's educational needs and function as a step of organization above that of a public school district, but below that of the Pennsylvania Department of Education. There are twenty-nine intermediate units in the Commonwealth of Pennsylvania, each serving a given region. This is a complete list Pennsylvania's 29 of Intermediate Units by their assigned IU number (from http://www.aiu3.net/Level2.aspx?id=1466):</p>
<p>Intermediate Unit 1 
Pittsburgh-Mt. Oliver (#IU2) 
Allegheny (IU#3)
Midwestern (IU#4)
Northwest Tri-County (IU#5)
Riverview (IU#6)
Westmoreland (IU#7)
Appalachia (IU#8)
Seneca Highlands (IU#9)
Central (IU#10)
Tuscarora (IU#11)
Lincoln (IU#12)
Lancaster-Lebanon (IU#13)
Berks County (IU#14)
Capital Area (IU#15)
Central Susquehanna (IU#16)
BLaST (IU#17)
Luzerne (IU#18)
Northeastern Educational (IU#19)
Colonial (IU#20)
Carbon-Lehigh (IU#21)
Buck's County (IU#22)
Montgomery County (IU#23)
Chester County (IU#24)
Delaware County (IU#25)
Philadelphia (IU#26)
Beaver Valley (IU#27)
ARIN (IU#28)
Schuylkill (IU#29)</p></div>