There is always a problem with the school or the district. They are understaffed, underfunded, or downright broke, especially in the special education department. SPED programs are not planned for, structured, or implemented. This makes the job more like babysitting than teaching, and causes teachers, staff, and even administrators untold stress. Children are warehoused rather than taught due to the shortage of needed materials, curriculum, tools for evaluation and special accommodations.
Also, ESS also uses the excuse that they need you either as an aide or as a substitute teacher to pay you less. Some of the aides from other agencies are unprofessional as they are not adequately vetted.