|High School:||Dos Pueblos|
Sinskul was a four year varsity starter for Dos Pueblos High School. In 2014, Sinskul was selected to the Presidio All-City Team and the Channel League 2nd Team. In 2015 she was again selected to the Presidio All-City Team and the Channel League 1st Team. In 2016, Sinskul was named co-captain and tied the all-time school record for home-runs. She was named Channel League MVP, Dos Pueblos High School MVP, Santa Barbara Round Table Player of the Year, All CIF California Southern Section Softball 1st Team.