Here are some writing resources that I have used with my students while teaching public school and during tutoring. I hope you find them helpful:)!
I created this formula to help mostly high school students, although middle schools students can use it. This is a very structured step by step format that includes each piece of a 5 paragraph essay. There are two formulas: one for essays based on a novel and one for essays that do not require a novel.
This is a more detailed explanation of a five paragraph essay that includes a sample essay.
Persuasive Essay Prompt, Prewriting, and Editing Checklist– Here is a sample of an persuasive essay prompt, pre-writing outline, and editing checklist for middle school students. This would be a great summer activity or you could just use the editing checklist and/or prewriting outline to help your students with their class assignments.
http://www.ccc.commnet.edu/sensen/part3/sixteen/techniques_conclusions.html This site offers practice and explanation specifically for writing conclusions to paragraphs and essays. I find that this is the hardest part of writing for many students K-12.
http://www.time4writing.com/free-writing-resources/ This site offers a variety of free writing resources that includes sentence writing, essay writing, grammar/mechanics and standardized writing tests.