| 2009 | 2010 | 2011 | Number of Students | 109,627 | 107,834 | 105,091 | Enrollment During Test Window | 102,639 | 101,047 | 98,668 | Total Participation* | 99.2% | 99.3% | 99.3% | | (101,845) | (100,346) | (97,942) | Participation in Alternate Assessment | 8.1% | 8.8% | 9.1% | based on alternate achievement standards | (8,273) | (8,851.5) | (8,962) | Participation in Regular Assessment | 91.2% | 90.5% | 90.2% | | (93,572) | (91,494.5) | (88,980) | Without Accomodations | 27.3% | 24.5% | 22.5% | | (25,517) | (22,441) | (20,064) | With Accomodations | 72.7% | 75.5% | 77.5% | | (68,055) | (69,053.5) | (68,916) |
| 2009 | 2010 | 2011 | 7,462 | 8,004 | 8,010 | 7,387 | 7,370 | 7,420 | 99.9% | 99.6% | 99.7% | (7,382) | (7,341) | (7,394) | 6.3% | 7.4% | 8.1% | (467) | (545) | (599) | 93.6% | 92.2% | 91.6% | (6,915) | (6,796) | (6,796) |
34.7% | 31.0% | 29.4% | (2,398) | (2,107) | (1,997) | 65.3% | 69.0% | 70.6% | (4,517) | (4,689) | (4,798.5) |
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