Texas Education Agency 

The Texas Education Agency has created a resource that focuses on Special Education in Texas. 

https://tea.texas.gov/academics/special-student-populations/special-education

KidsHealth

KidsHealth created a resource to help teachers understand the laws and educational plans of 504. 

https://kidshealth.org/en/parents/504-teachers.html

U.S. Department of Education

The U.S. Department of Education has created a resource for parents and families to gain a better understanding of IDEA. 

https://sites.ed.gov/idea/parents-families/