I teach high school math in Ontario ... so regardless of my personal feelings about it, Grade 9 EQAO Math testing is a reality of my life each semester. As permitted by EQAO, many high schools do count portions of the students' work on the assessment towards their final math grade. My own students have overwhelmingly indicated that this gives the assessment more "worth" in their eyes. Additionally, to earn a secondary school diploma, Ontario students need to fulfill the Ontario Literacy Requirement and for most students the first attempt at this is through the OSSLT (EQAO Literacy Test) in Grade 10.
@alc571 based on what high school currently entails, it MIGHT be to your son's advantage to do the testing again this year in Grade 6. If his IEP includes accommodations like an individual or quiet setting, extra time, verbatim reading, etc. (and he regularly uses these accommodations in his day to day work), then he would be permitted the same accommodations during provincial testing. (
@Donald - my hero your experience seems out of the ordinary for a student with an IEP.). For the reading part, it's mostly comprehension they are testing, so not a problem if he has the test read to him. Similarly, with writing, it's more than spelling and grammar they are looking at, so it's ok if his work is scribed. Also, since his anxiety about testing is already known, this is something that you, his classroom teacher, and any support people can work on with him throughout the year. Regardless of how he does on the actual assessment, he has a chance to build up coping strategies that can serve him well in high school and beyond.
All that said, you have to do what's best for your son. If you do decide to pull him from the testing, are there educational experiences close to home (museum, job shadow, etc.) you could do together during that time instead? At the risk of getting flamed, I'm not sure that a conveniently timed trip to Disney is the answer ... the idea that "it's ok to blow off stuff you don't want to do and go to Disney instead" seems like a slippery slope to start down, especially with a preteen.