Audition Perspectives & On-Line Script Resources
Here are some websites with resources for monologues & scenes. These appear in no particular order.
Remember: when choosing a monologue for an audition (or several for college auditions) you need to choose one from a published play.
Beverly Hills Playhouse
Scenes for Teens full pdf of this book
LiveBinders Duets Monologues and Plays
Free play script blog about theatre, acting, monologues, classroom lessons and drama improv games.
This is a search engine at Stageagent—it might help you locate scenes with specific actors in mind.
Birdville High School Theatre
The following are publishing companies who primarily require you to buy the script before reading it, however some may be changing that policy so you can check them out as well:
Dramatists Play Service
Here are a few articles that offer some perspective about auditions. Some are referring to professional actors and their experience with rejection after auditions, some are about dealing with not being cast in high school plays or not getting "the" part you wanted.