Students of all ages can contribute to Wikimedia projects in a classroom setting, but it is important to remember to adjust assignments and training strategies to fit the age and abilities of students. Below are recomendations for a variety of age groups, but how you choose to teach will ultimately depend on the students you are working with.
"We were surprised to see 8th grade gifted children did really incredible work. They can create articles from beginning to end on their own, whereas 'regular' kids from 7th-9th grade don't have the maturity to work on full articles. They work in groups with heavy teacher supervision." - Shani Evanston, Wikimedia Israel
Primary school students
Focus on group work.
Consider using Wiki's created by and for children aged 8-13: