How to make HS XC Varsity?

Last season, I got my 3 mile record in 24:46 seconds, & it was my first time joining the sport. Next season doesn't start til 4 months from now, & my 'average' 3 mile is 26 minutes or 25. But i'm hoping if i train within these 4 months i MAY be able to beat my time from the previous season or get varsity? My friend said "Hey, you're going to make varsity!" & i looked at her like she was crazy & said "Do you know how difficult it is to get on varsity?" & she said "But you can still try.." & it got me thinking... Do you have any pointers to pass down to a rookie? I REALLY want to Pr again... But I don't know if i can do it?
ps: my fastest mile is about 7:55-8min. & one time at a race for 2.7 miles i got 17:35... & my fastest 3 mile is 24:46...
How to make HS XC Varsity?
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