I applaud and thank the Lord for the Awesome Great Heart that He has given you to care for others ! The Bible actually talks about this in the Book of John His Word says "No Greater Love has No one but those that Lay down their lives for their friends!" (John 15:13)
**Now on starting this "Teen Drop In Center" Yes it is Harder than Hard can be especially because of your age, you would probably need to get your pastor involved your church and let them know what is in your heart to do (So they may support you on this) I am sure you are a Great Person I dont even have to meet you or see you to (Know this) but the Truth is You will probably need the help of your pastor, church and community on this
** But Remember that All things are possible with God, and All things are possible to Those who Believe! (I Encourage you My Friend to "Follow through on your God Inspired Divine Project! ( I will be praying for you) ( we are actually getting ready to open a "Home" For Prisoners coming out of Parole and Believe me it is Not Easy But Also Not Impossible, Pray for the Lord's Guidance in your Divine Task God Bless You
I AM FREE
My Source is "The Bible"