Rosary junior Katie Kostro soared to the Class 2A high jump state championship on Saturday, leading area medalists in Charleston. St. Charles North, St. Charles East, St. Francis, Aurora Central Catholic and Burlington Central also had medalists.

St. Charles North's 4x800-meter relay team posted the top time in the Class 3A preliminary rounds to advance to the finals, while the North Stars' softball team secured a share of the DuKane Conference with a win over Geneva. That and more results in Friday's sports roundup.

Can St. Charles North replicate its team success for a chance at the Class 3A title? What can we expect from Batavia's young core? Here are five storylines to watch for Kane County-area athletes this weekend.