There are just over 60 of my articles on Suite 101, and topics are varied. Here are links to a few which offer suggestions for older students and for teachers. I hope there'll be something there which is useful for you.
Students of high ability: manage in class and get best grades
Very bright students: keep your friends and still get good grades
Gain maximum benefit from every lecture, to help improve grades
Children who can't concentrate: teacher tips for how to help
Improving students' listening skills - some tips for teachers
Reading with comprehension: ensuring children absorb text content
Young students, poor concentration: structure for a class programme
Reluctant readers: tips for parents and teachers to encourage them
The rest of the articles on my site include lots of vegetarian recipes, some parenting suggestions, biography (Adam Faith, Carrington, Gertler), the Vulcan bomber, and much else besides.