500
Do this if you want to see if any other SELPAs in SEIS are reporting students to CASEMIS stating that those students LIVE in one of your districts.
What is design a search for all students whose DOR equals any of your SELPAs districts, and whose DOS is NOT one of your SELPAs districts and select "include students who are not served in this district but are residents" from the Optional Criteria drop down menu.