she should greet jane as if nothing happened and see how jane reacts
she should avoid school the next day. And the next. Every night, she should put on the exact outfit she had on that day, hose herself down until she’s completely drenched and stand in Jane’s yard. When Jane is home alone, she should approach the window, staring at her. Knock on it if you don’t have her attention.
That’ll get her back for killing you and trying to hide the evidence.