This writing rubric can be used as a general rubric for grading many kinds of writing assignments - including writing prompts, journal entries, book reports, and creative writing assignments. You may also use it for many disciplines - any subject that has a writing assignment. It can be adapted for older grades, or more complex assignments as needed.
It's on a 16 point scale, with places at the bottom for percentage, grade, and additional comments. I designed this for my second grade class,