This organization is aimed at improving the lives of youth. There are crisis and residential services where they offer counseling, emergency shelter, street outreach, a drop-in center, and Harwell Lofts. They also offer leadership opportunities and activities for high school and middle school students. And they try to help with access to college and workforce preparation. Its a great program. I know a bunch of Vanderbilt people who've gotten involved and all say how great the program is.
If you want to volunteer, here is their faq page https://www.oasiscenter.org/help/volunteering-faqs.html. While I'm not quite sure what the volunteer requirements are, the organization told me that it costs them money to do background checks (since you would be working with minors) and so its not exactly a short term project. read more