Sep 2021 Fall iReady testing window begins Sept. 7 Gallery Fall iReady testing window begins Sept. 7 Elementary schools, Testing Fall iReady testing window begins Sept. 7 Tara Cox, Communications staff2021-09-07T10:49:12-07:00September 3rd, 2021|Elementary schools, Testing| The iReady testing window for kindergarten-8th graders is Sept. 7-24.