In addition to providing individual representation, Hallam works on legislative and policy initiatives to improve education for students in foster care and students with disabilities, at the local, state, and national level. Hallam also co-chairs the Philadelphia Coalition of Special Education Advocates and is a member of the Exceptional Children Committee of the Pennsylvania Bar Association. Prior to law school, Hallam worked for Community Attention and the Commission on Children and Families in Charlottesville, Virginia. Hallam completed her undergraduate and law degrees at the University of Virginia.