The Past is in the Past

High school AU: Elsa and Jack have had some troubles in the past with their own lives and families. Elsa is a recluse who is afraid to let people get to know her but is secretly and ex-ice skater prodigy. Jack is a previously homeless rebel who's adoptive uncle wants to shape him up and get back his memories. Jack teaches Elsa to let go of the past and she teaches him to embrace it