If you are looking for movies like But I'm a cheerleader! these could be interesting candidates. The closer two names are, the greater the probability the two movies are similar.
But I'm a cheerleader! D.E.B.S. Carol Imagine Me And You Pride L word Professor Marston and the Wonder Women Disobedience Jawbreaker Wild Zero The Incredibly True Adventure of Two Girls in Love Room In Rome Itty Bitty Titty Committee I Can't Think Straight But Im A Cheerleader Drop Dead Gorgeous Imagine You And Me Loving Annabelle Romy and Michelle's High School Reunion Gray Matters El Dia De La Bestia Big Eden Heathers Elena Undone Clueless Sugar and Spice Cracks Codependent lesbian space alien seeks same Carmilla Radio Flyer The Incredibly True Story Of Two Girls In Love Ava's Possessions Desperately Seeking Susan Shiva Baby Man Up Cabin Boy Fish Tank Eat the rich Bad Teacher Breathe Kissing Jessica Stein Promising young woman Misery Gremlins The Road To El Dorado Below Her Mouth Thelma Fucking Åmål Memoirs of a Geisha