Skip Navigation
Digest of Education Statistics
2022 Tables and Figures All Years of Tables and Figures Most Recent Full Issue of the Digest


Table 701.15. Number and percentage of public and private schools with libraries/media centers and average number of staff per library/media center, by staff type and employment status and selected school characteristics: School year 2020-21
[Standard errors appear in parentheses]
School level, enrollment size, and locale Schools with libraries/media centers Average number of staff per library/media center
Librarians or library media specialists Library media center aides
Number Percent Full time Part time Full time Part time
1 2 3 4 5 6 7
Total, all public schools 80,500 (420) 87.6 (0.44) 0.7   (0.01) 0.2   (0.01) 0.4   (0.01) 0.1   (0.01)
Elementary schools 46,700 (290) 92.5 (0.50) 0.7   (0.01) 0.2   (0.01) 0.3   (0.01) 0.1   (0.01)
Enrollment size                                
Less than 150 students 2,500 (190) 74.4 (3.58) 0.1   (0.03) 0.5   (0.07) 0.2   (0.04) 0.1   (0.04)
150 to 499 students 28,400 (430) 93.3 (0.67) 0.6   (0.01) 0.2   (0.01) 0.3   (0.02) 0.2   (0.01)
500 to 749 students 12,400 (390) 94.9 (0.70) 0.8   (0.02) 0.1   (0.02) 0.4   (0.02) 0.1   (0.01)
750 or more students 3,400 (200) 94.2 (1.19) 0.8   (0.04) 0.1   (0.03) 0.4   (0.04) 0.2   (0.03)
Locale                                
City 13,500 (190) 88.5 (1.13) 0.7   (0.02) 0.2   (0.01) 0.3   (0.02) 0.1   (0.02)
Suburban 16,700 (140) 94.4 (0.71) 0.7   (0.02) 0.2   (0.02) 0.3   (0.02) 0.2   (0.02)
Town 5,400 (90) 95.5 (1.13) 0.7   (0.03) 0.2   (0.02) 0.4   (0.03) 0.2   (0.02)
Rural 11,100 (170) 93.5 (1.12) 0.6   (0.02) 0.2   (0.02) 0.4   (0.04) 0.1   (0.02)
Middle schools 13,700 (180) 94.1 (0.76) 0.7   (0.02) 0.2   (0.02) 0.4   (0.02) 0.1   (0.01)
Enrollment size                                
Less than 150 students (†) (†)   (†)   (†)   (†)   (†)
150 to 499 students 4,600 (210) 88.6 (1.62) 0.6   (0.03) 0.2   (0.03) 0.3   (0.03) 0.1   (0.03)
500 to 749 students 4,200 (190) 97.1 (0.96) 0.8   (0.03) 0.1   (0.02) 0.4   (0.04) 0.1   (0.02)
750 or more students 4,600 (170) 99.2 (0.42) 0.9   (0.02) 0.1   (0.01) 0.5   (0.03) 0.1   (0.02)
Locale                                
City 3,400 (100) 89.5 (1.88) 0.7   (0.03) 0.1   (0.02) 0.4   (0.03) 0.1   (0.02)
Suburban 5,000 (90) 95.0 (1.42) 0.8   (0.03) 0.2   (0.03) 0.4   (0.03) 0.1   (0.02)
Town 2,000 (90) 95.4 (1.74) 0.7   (0.04) 0.2   (0.03) 0.6   (0.05) 0.1   (0.02)
Rural 3,200 (100) 97.2 (1.04) 0.7   (0.04) 0.2   (0.04) 0.4   (0.04) 0.2   (0.03)
Secondary/high schools 15,800 (310) 75.6 (1.24) 0.8   (0.02) 0.1   (0.01) 0.5   (0.02) 0.1   (0.01)
Enrollment size                                
Less than 150 students 1,600 (180) 41.4 (4.15) 0.1   (0.04) 0.2   (0.04) 0.1 ! (0.03) 0.1 ! (0.03)
150 to 499 students 4,300 (220) 69.9 (2.51) 0.6   (0.03) 0.2   (0.02) 0.3   (0.04) 0.1   (0.02)
500 to 749 students 2,300 (150) 79.0 (2.48) 0.8   (0.03) 0.1   (0.02) 0.5   (0.05) 0.1   (0.02)
750 or more students 7,600 (200) 95.2 (0.86) 1.0   (0.02) 0.1   (0.01) 0.6   (0.03) 0.1   (0.02)
Locale                                
City 3,800 (130) 67.4 (2.39) 0.8   (0.04) 0.1   (0.01) 0.3   (0.03) 0.1   (0.02)
Suburban 4,600 (170) 78.7 (2.34) 0.9   (0.03) 0.1   (0.01) 0.5   (0.04) 0.1   (0.02)
Town 2,500 (110) 70.9 (2.79) 0.7   (0.04) 0.1   (0.02) 0.6   (0.07) 0.1   (0.02)
Rural 4,800 (190) 83.3 (2.19) 0.7   (0.03) 0.2   (0.02) 0.4   (0.03) 0.1   (0.02)
Combined/other schools 4,400 (230) 72.4 (2.56) 0.6   (0.08) 0.2   (0.02) 0.3   (0.04) 0.1   (0.03)
Enrollment size                                
Less than 150 students 1,100 (130) 59.3 (5.60) 0.2   (0.05) 0.2   (0.05) 0.2 ! (0.06) 0.1 ! (0.05)
150 to 499 students 2,100 (180) 83.8 (2.52) 0.6   (0.07) 0.2   (0.04) 0.3   (0.04) 0.2   (0.04)
500 to 749 students 500 (70) 71.3 (7.85) 0.6   (0.10) 0.1 ! (0.06) 0.4 ! (0.13)   (†)
750 or more students 800 (90) 69.6 (4.28) 1.2   (0.37) 0.1   (0.04) 0.5   (0.13)   (†)
Locale                                
City 500 (60) 57.2 (5.35) 0.4   (0.07) 0.1 ! (0.05) 0.2   (0.04)   (†)
Suburban 400 (70) 45.9 (6.78) 0.5   (0.10) 0.1 ! (0.06)   (†)   (†)
Town (†) 52.3 (8.68)   (†)   (†)   (†)   (†)
Rural 3,200 (200) 86.4 (2.82) 0.6   (0.05) 0.2   (0.03) 0.3   (0.04) 0.2   (0.03)
Total, all private schools 17,900 (380) 74.2 (1.49) 0.3   (0.01) 0.2   (0.02) #   (†) 0.1   (0.01)
Elementary/middle schools 10,200 (330) 76.2 (2.20) 0.2   (0.02) 0.3   (0.02) #   (†) 0.1   (0.01)
Enrollment size                                
Less than 150 students 6,100 (320) 71.4 (3.10) 0.1   (0.02) 0.2   (0.03)   (†) 0.1 ! (0.02)
150 to 499 students 3,800 (190) 84.5 (2.53) 0.3   (0.03) 0.3   (0.03) #   (†) 0.1 ! (0.03)
500 to 749 students (†) (†)   (†)   (†)   (†)   (†)
750 or more students (†) (†)   (†)   (†)   (†)   (†)
Locale                                
City 3,500 (160) 79.0 (2.99) 0.2   (0.03) 0.3   (0.04)   (†) 0.1 ! (0.03)
Suburban 3,400 (150) 76.6 (3.05) 0.3   (0.04) 0.3   (0.05) #   (†) 0.1 ! (0.02)
Town 1,100 (90) 84.9 (4.66) 0.1 ! (0.04) 0.3   (0.06)   (†)   (†)
Rural 2,200 (230) 68.5 (6.78)   (†) 0.1   (0.04) #   (†) 0.1 ! (0.03)
Secondary/high schools 2,200 (90) 71.6 (2.16) 0.4   (0.03) 0.2   (0.02) 0.1   (0.01) 0.1   (0.02)
Enrollment size                                
Less than 150 students 800 (80) 57.5 (4.13) #   (†) 0.2   (0.05)   (†)   (†)
150 to 499 students 800 (50) 83.3 (2.79) 0.5   (0.05) 0.3   (0.05) 0.1 ! (0.02) 0.1 ! (0.04)
500 to 749 students 300 (30) 93.9 (2.72) 1.0   (0.10) 0.1 ! (0.05) 0.2 ! (0.05) 0.1 ! (0.03)
750 or more students 200 (20) 79.6 (5.61) 1.2   (0.14)   (†) 0.1 ! (0.04)   (†)
Locale                                
City 1,000 (60) 77.0 (3.23) 0.5   (0.06) 0.2   (0.03) 0.1   (0.02) #   (†)
Suburban 700 (50) 64.6 (3.90) 0.5   (0.06) 0.2   (0.05) #   (†) 0.1 ! (0.03)
Town (†) (†)   (†)   (†)   (†)   (†)
Rural 400 (50) 72.6 (6.60) 0.3   (0.07) 0.3   (0.07) 0.1 ! (0.02) 0.2 ! (0.07)
Combined/other schools 5,500 (220) 71.6 (2.39) 0.3   (0.03) 0.2   (0.02) #   (†) #   (†)
Enrollment size                                
Less than 150 students 3,200 (210) 65.3 (3.32) 0.1   (0.02) 0.1   (0.02)   (†)   (†)
150 to 499 students 1,700 (140) 78.8 (3.65) 0.4   (0.05) 0.3   (0.04) 0.1 ! (0.02) 0.1   (0.02)
500 to 749 students 300 (50) 97.5 (2.53) 1.4   (0.21) 0.2 ! (0.08)   (†)   (†)
750 or more students 300 (50) 93.4 (3.91) 1.6   (0.26) 0.4 ! (0.14)   (†)   (†)
Locale                                
City 1,700 (130) 71.1 (4.17) 0.5   (0.08) 0.2   (0.03) 0.1 ! (0.03) 0.1 ! (0.02)
Suburban 2,000 (140) 71.1 (3.87) 0.3   (0.04) 0.2   (0.04)   (†)   (†)
Town 600 (80) 80.2 (6.57) 0.3   (0.07) 0.2 ! (0.06)   (†)   (†)
Rural 1,200 (110) 69.1 (6.85) 0.2   (0.04) 0.3   (0.06)   (†)   (†)
†Not applicable.
#Rounds to zero.
!Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 and 50 percent.
‡Reporting standards not met. Either there are too few cases for a reliable estimate or the coefficient of variation (CV) is 50 percent or greater.
NOTE: A library media center is an organized collection of printed and/or audiovisual and/or computer resources, which is administered as a unit, is located in a designated place or places, and makes resources and services available to students, teachers, and administrators. A library media center may be called a school library, media center, information center, instructional materials center, learning resource center, or any other similar name. Detail may not sum to totals because of rounding.
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), "Public School Data File," 2020-21, and "Private School Data File," 2020-21. (This table was prepared April 2023.)

2022 Tables and Figures All Years of Tables and Figures Most Recent Full Issue of the Digest