Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 4 · column 3 of 11 · from the scan, no model involved

supports to ensure that students were reading at grade level by the end of the third grade and continuing to develop at grade level as they went forward.
Mills said they hoped to develop a 6th grade to 12th grade curriculum
93.1%