Crossword puzzle clue "six say for a first grader"

Six, say, for a first-grader

Campaign about which Rumsfeld said in 2003 "it could last six days, six weeks - I doubt six months"

First-grader's lesson

First-grader.

First-grader, for one

Sch. type for a first-grader

Ninth-grader's first day

First-grader's attention-getting phrase