| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| school shootings since 1990 | 1.97 | 0.1 | 909 | 98 | 27 |
| school | 1.5 | 0.2 | 5970 | 6 | 6 |
| shootings | 0.22 | 0.9 | 1827 | 72 | 9 |
| since | 1.62 | 0.5 | 630 | 25 | 5 |
| 1990 | 1.43 | 1 | 9119 | 32 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| school shootings since 1990 | 0.7 | 0.6 | 3643 | 64 |
| school shootings since 1980 | 0.06 | 0.2 | 2233 | 14 |
| school shootings since 1991 | 0.48 | 0.1 | 856 | 39 |
| school shootings since 1999 | 1.62 | 0.6 | 9450 | 33 |
| school shootings since 1995 | 0.92 | 0.2 | 7318 | 23 |
| school shootings since 1998 | 0.64 | 0.9 | 9856 | 5 |
| school shootings since 1900 | 1.54 | 0.2 | 4776 | 81 |
| school shootings since 1970 | 1.95 | 0.7 | 3795 | 63 |
| school shootings since 1960 | 1.46 | 1 | 4622 | 13 |
| school shootings since 1988 | 0.53 | 0.6 | 6659 | 17 |
| how many school shootings since 1990 | 1.32 | 0.8 | 6343 | 96 |
| number of school shootings since 1990 | 1.35 | 0.4 | 2560 | 96 |
| mass school shootings since 1990 | 1.77 | 0.9 | 7063 | 100 |
