Here are a few links with ideas for teachers and students on improving study skills. They may or may not be useful to you. If you find links that you found useful send them to me and I will post them.
General
http://www.how-to-study.com/Preparing%20to%20Study.htm This site has it all! Maybe.
http://www.kidinfo.com/studyskills/studyskills.htm
http://www.education-world.com/a_curr/profdev064.shtml
Listening Skills
http://www.urbanext.uiuc.edu/conflict/guide/activities_commskills.html
http://www.internet4classrooms.com/gateway_english.htm#speaking
Notetaking
http://www.homeworkandstudyskills.com/takingnotes.html
http://www.ebstc.org/TechLit/analysis6d.html
Memorizing
http://library.thinkquest.org/C0110291/
http://faculty.washington.edu/chudler/chmemory.html
http://www.learnntc.com/tools/SchoolSkills/MasteringMemory.cfm Check list on right side of page
Reading Comprehension
http://www.rhlschool.com/reading.htm Has Worksheets
Vocabulary
Not specifically study skills but interesting
http://www.manatee.k12.fl.us/sites/elementary/palmasola/rvocabindex.htm Word Study Skills: Grades 3-5
http://english-zone.com/index.php Free and Subscriber info