No title yet Story for School

Hey guys i need some help I'm doinga language arts Project I'm in Gifted and in 6th grade It's HARD Pinching_eyes i have to write a elementary Childrens book about a social issue so details

1. I chose Poverty as the issue
2. My characters are Tala: Male Noblen a bit Judgmental and serious pretty kind Blair's Older Brother 12 and 15 years old
3. Blair: Tala's Younger Sister a bit Bratty but caring most of the time and is Noisyy for good reasons
4. Geo: Kid that lives on Geo Street Literally in a tent of Blankets
5. Derek: Antagonist a Bully at school turns ino a gang leader
Setting: New York
Culture: American City Culture
Sample Plot: Derek is Bulling Geo Blair enters Tala Meets Geo Tala wonders about Geo Tala Learns about Geo Tala Discriminates aginst Geo Tala and Geo Become Best frined 3 years later Derek Kidnapps Blair and Tala and Geo must save her from the new Gang leader Derek and it questions their friendship
Audience Target 3rd and 4th Graders

This is a simple story tell me what you think i don't have any done yet but have some ideas unfortunatly i don't have more issue based events i need some thanks for any help could someone who actually lives in NY help me?