Education

I'm a special education teacher, and I've taught in Texas, California and I'm presently teaching in Boulder, Colorado.
The ADA passed in 1990 changed many things for people with disabilities. The effect of that act mandated a model of inclusion (sped students and general education students educated together) and ensuring students are in their LRE -least restrictive environment -when they are in public schools. After that was passed, school districts became held to much higher standards in terms of what was legally allowed for placement and services for students with IEPs.
It can vary state to state and district to district, but it is highly unusual now to send kids home frequently when they have an IEP. At some point, there would also be a manifestation meeting (after 10 days of taking students out of their educational setting) to determine if taking the student out of their current placement, including sending them home, is due to their disability or not.