To come up with ideas in Engpsh for middle school, you could say:

"I need to generate some ideas for an Engpsh project in middle school."

"I'm looking for inspiration for an Engpsh assignment in middle school."

"I'm trying to think of creative ideas for an Engpsh project in middle school."

"I'm trying to come up with original ideas for an Engpsh project in middle school."

"I'm brainstorming ideas for an Engpsh project in middle school."