We are looking for an online test of reading comprehension for grades
7-12 that is "normed" ie. gives a percentile ranking / normal curve
equivalent score as well as a raw score.

So far I found one online reading comprehension assessment for high
school students at Letsgolearn.com.  But it doesn't seem to be normed
and provide exact percentile rankings.

Is there a newsgroup of people who are experts in reading assessment
as well as internet applications?  Perhaps we could post this question
there... I am not sure how to find and join newsgroups.  :)