Unfortunately, Loyola High School is an all male institution, so you won't be able to enroll your daughter. You can use the Noodle school finder to locate other promising high schools in the area.
Generally speaking, you can learn more about the programs and resources available at Loyola High School by visiting its website, or by calling it directly at (213) 381-5121.
Best of luck! Feel free to ask more follow up questions if you get stuck!