| Total | 150.3 | | 114.9 | | 282.0 | | 193.8 | |
| | | | | | | | | |
| Private school typology | | | | | | | | |
| Catholic | 287.2 | | 239.5 | | 544.1 | | 313.0 | |
| Parochial | 258.4 | | 250.5 | | 388.9 | | 310.4 | |
| Diocesan | 293.2 | | 240.1 | | 560.4 | | 278.1 | |
| Private | 362.8 | | 157.9 | | 583.1 | | 333.0 | |
| | | | | | | | | |
| Other religious | 125.3 | | 83.2 | | 152.7 | | 182.6 | |
| Conservative Christian | 151.4 | | 105.0 | | 149.6 | | 180.3 | |
| Other affiliated | 165.2 | | 113.7 | | 181.7 | | 292.3 | |
| Unaffiliated | 93.3 | | 63.6 | | 137.6 | | 151.0 | |
| | | | | | | | | |
| Nonsectarian | 91.0 | | 47.6 | | 104.2 | | 203.8 | |
| Regular | 119.6 | | 49.4 | | 181.0 | | 375.3 | |
| Special emphasis | 56.6 | | 44.3 | | 62.4 | | 116.2 | |
| Special education | 69.3 | | 56.5 | | 51.4 | | 76.5 | |
| | | | | | | | | |
| Program emphasis | | | | | | | | |
| Regular elementary/secondary | 200.4 | | 162.6 | | 360.2 | | 228.2 | |
| Montessori | 38.2 | | 34.7 | | 122.7 | | 89.0 | |
| Special program emphasis | 133.2 | | 100.9 | | 140.2 | | 188.0 | |
| Special education | 66.9 | | 54.9 | | 51.1 | | 73.3 | |
| Vocational/technical | ‡ | | ‡ | | ‡ | | ‡ | |
| Alternative | 62.6 | | 42.7 | | 56.4 | | 76.7 | |
| Early childhood | 15.7 | | 15.4 | | † | | 52.1 | ! |
| | | | | | | | | |
| Size (number of students) | | | | | | | | |
| Less than 50 | 20.5 | | 19.0 | | 22.0 | | 25.5 | |
| 50–149 | 92.0 | | 93.9 | | 94.9 | | 87.5 | |
| 150–299 | 212.7 | | 211.2 | | 218.0 | | 215.4 | |
| 300–499 | 384.9 | | 384.3 | | 387.6 | | 384.9 | |
| 500–749 | 603.5 | | 588.5 | | 613.9 | | 611.3 | |
| 750 or more | 1,055.4 | | 951.5 | | 1,052.0 | | 1,074.1 | |
| | | | | | | | | |
| Region | | | | | | | | |
| Northeast | 147.3 | | 111.0 | | 286.7 | | 185.5 | |
| Midwest | 149.7 | | 127.1 | | 344.4 | | 153.8 | |
| South | 162.2 | | 111.8 | | 256.5 | | 218.1 | |
| West | 137.4 | | 108.3 | | 239.7 | | 179.3 | |
| | | | | | | | | |
| Urbanicity type | | | | | | | | |
| City | 189.6 | | 141.2 | | 341.3 | | 259.8 | |
| Suburban | 156.9 | | 119.8 | | 323.0 | | 219.8 | |
| Town | 106.2 | | 91.6 | | 171.6 | | 122.3 | |
| Rural | 92.6 | | 59.3 | | 141.6 | | 126.9 | |
| † Not applicable. |
| ! Interpret data with caution. The coefficient of variation for this estimate is larger than 25 percent. |
| ‡ Reporting standards not met. |
| NOTE: These estimates include schools for which kindergarten is the highest grade (kindergarten-terminal schools) as well as those that provide instruction for one or more of grades 1 through 12 (or comparable ungraded levels). |
| SOURCE: U.S. Department of Education, National Center for Education Statistics, Private School Universe Survey (PSS), 2007–08. |