Spelling Steps
http://www.homespellingwords.com/Lists/7th-Grade-Spelling-Words-List-7.aspx
There is a resourse on my desk called Understanding English Spelling that would be suitable for students opperating at lower level.
Other resourses are included as web pages or down loadable files.
ACER spelling test (oldie but a goodie!)
archived-spelling-tests.pdf
http://www.theharrisontest.com/
Used for students with dyslexia
The test on page 6 is for secondary students
spelling-tests.pdf