When Barbara shows off the school's new ramp she is standing in front of the garden that she started with Jacob in season one.
Because of Individuals with Disabilities Education Act (IDEA) and Americans with Disabilities Act (ADA), the school district and city would have been required to install the wheelchair ramp for the student instead of Barbara having to use the school's grant money.
Because of Free and Appropriate Public Education (FAPE), part of Individual with Disabilities Education Act (IDEA), the district would be required to provide an accessible desk for Barbara's students who uses a wheelchair