This is a great list!! Could be good for most ages! SmallWorld: 100 Not-Boring Writing Prompts for Middle- and High Schoolers
Persuasive Writing Prompts for Middle School & High School
Conversation starters for parents and teens
Growth Mindset Writing Prompts--fantastic blog post by The Daring English Teacher
More than fifty writing prompts for kids in elementary school and middle school. Journal ideas for students in second through eighth grade.
Bell Ringers to Establish Classroom Community. Writing prompts for love, acceptance, tolerance, and diversity. Ideal for high school and middle school students.
Should I or Shouldn't I? What Would Others Think? A game to encourage Social Thinking and social problem solving.
MIDDLE SCHOOL WRITING PROMPT: Read the fascinating story behind Dr. Seuss and the Grinch. Then write your own "complaint" and its solution.
Digital "I Am" poem