I'm a freshman now. What should i do with my girlfriend now?

I am an 8th grade graduate from whitney and i'll be a freshman soon. So i have all summer to make plans with my girl but i don't know what to do. I know she likes art, music, theater, acting and definitly harry potter. im taking here to the midnight premiere of the last harry potter movie so thats good right? and what should i do in between? my band can play while i make her some food but there won't be any singing cause im the vocalist or should i take her to some plays and help her practice for auditions? Ay i don't know what to do