Well, if this had been the MAP 6+ plus goals level, then yes, that would likely suggest readiness for at least pre-algebra. If the test was the grade 2-5 level, or a survey form, then it probably would not have included enough depth of material to assess pre-algebra readiness one way or the other.

Depending on his temperament (response to failure, if it turns out to be inappropriate in instructional level), it might not hurt to try it and see.

...pronounced like the long vowel and first letter of the alphabet...