Not more than 3 mistakes in grammar, spelling, or punctuation. Some details are accurate. Written in the student's own words. Words are well-chosen. Not more than 6 mistakes in grammar, spelling, or punctuation.
Details are accurate, but few in number.
Most of it is written in the student's own words. Words are well-chosen. Not more than 9 mistakes in grammar, spelling, or punctuation. Details are not accurate. Most of it is not written in the student's own words.