| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| major events in special education history | 1.55 | 0.6 | 1821 | 8 |
| important dates in special education history | 0.83 | 0.1 | 6865 | 9 |
| major events in american education history | 0.36 | 0.9 | 6474 | 69 |
| major events in education history | 1.99 | 0.7 | 611 | 53 |
| special education timeline of events | 1.05 | 1 | 3243 | 63 |
| current events in special education | 0.74 | 0.7 | 9590 | 56 |
| important events in education history | 0.8 | 0.1 | 2319 | 59 |
| special education history timeline | 1.33 | 0.3 | 9207 | 86 |
| special events in history | 0.4 | 0.2 | 339 | 16 |
| history of special education ppt | 1.13 | 0.4 | 6997 | 30 |
| brief history of special education | 1.21 | 1 | 4801 | 72 |
| history of special education timeline ppt | 1.63 | 0.7 | 6178 | 68 |
| important historical events in education | 1.33 | 1 | 601 | 66 |
| historical events in education | 0.89 | 0.8 | 1131 | 41 |
| significant events in american education | 0.68 | 0.5 | 7714 | 81 |
| when did special education begin | 0.68 | 0.3 | 9809 | 46 |
