Quill

Quill is an open source literacy tool built by a community of educators and developers that provides writing, grammar, and vocabulary activities to middle and high schools students.

Quill Proofreader gives students passages that have grammatical errors placed in them.

Quill Grammar teaches grammatical concepts through sentence writing exercises.

Quill Writer is a two-player activity where students take turns writing a passage together from a shared list of words.

Teachers resources and overview
https://www.quill.org/teacher_resources

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