I'm just looking for any good fics where both buffy and spike are slayers in highschool.

The only fic I can think of where both Buffy and Spike are slayers is Dancing In The Moonlight by Holly. But as far as I remember only Buffy is still in school in this fic, although both of them hang around the library together a lot. Does that count? lol.

A prophecy unfolds just as a new Slayer arrives in Sunnydale. A cocky, British, platinum blond Slayer with a devilish smile and a body to die for. And Buffy doesn't know what surprises her more—the fact that he's male, or the animal attraction that festers between them almost from the beginning.

Hello, Cutie by Scrambled Thoughts. Can be found on ffnet. It has an excellent characterization of Spike and his banter with Buffy is just delicious. One of my favourite fics.

Thank you all so much for this...do you guys know when hello cutie will be updated.?

Although it hasn't been updated since February, I don't think that the author has abandoned it in this particular case (fingers crossed). The last time it was updated it took the author several months to do so. At the beginning she updated every month, then every couple of months, then the chapters started coming more rarely each time. This is actually a pattern that I have noticed with many writers, unfortunately.