Table 701.20.

Selected statistics on public school libraries/media centers, by level and enrollment size of school: 2011-12

[Standard errors appear in parentheses]
Selected statistic	All public school libraries/ media centers		Elementary school enrollment size												Secondary school enrollment size
			Total		Less than 150			150 to 499		500 to 749		750 or more			Total		Less than 500		500 to 749		750 to 1,499		1,500 or more
1	2		3		4			5		6		7			8		9		10		11		12
Number of schools with libraries/media
centers	81,200	(510)	58,000	(418)	3,000		(308)	29,700	(658)	16,600	(591)	8,600		(426)	17,100	(357)	6,400	(289)	3,100	(170)	4,600	(188)	3,000		(160)
Average number of staff per library/media
center	1.77	(0.017)	1.72	(0.020)	1.76		(0.226)	1.66	(0.022)	1.75	(0.032)	1.87		(0.040)	1.93	(0.027)	1.58	(0.041)	1.76	(0.050)	2.07	(0.045)	2.63		(0.062)
Certified library/media specialists	0.90	(0.012)	0.88	(0.014)	0.90		(0.176)	0.86	(0.016)	0.88	(0.019)	0.92		(0.024)	0.99	(0.017)	0.78	(0.029)	0.95	(0.029)	1.10	(0.024)	1.32		(0.039)
Full-time	0.71	(0.010)	0.67	(0.012)	0.47	!	(0.171)	0.61	(0.015)	0.74	(0.016)	0.81		(0.022)	0.84	(0.017)	0.59	(0.029)	0.81	(0.025)	0.99	(0.021)	1.21		(0.037)
Part-time	0.20	(0.008)	0.21	(0.010)	0.44		(0.054)	0.26	(0.014)	0.14	(0.014)	0.11		(0.017)	0.15	(0.010)	0.19	(0.018)	0.15	(0.025)	0.11	(0.019)	0.12		(0.018)
Other professional staff	0.19	(0.007)	0.18	(0.009)	0.27	!	(0.081)	0.18	(0.014)	0.18	(0.020)	0.16		(0.019)	0.17	(0.014)	0.21	(0.027)	0.19	(0.030)	0.14	(0.015)	0.14		(0.019)
Full-time	0.12	(0.006)	0.11	(0.007)	0.19	!	(0.076)	0.10	(0.010)	0.09	(0.011)	0.13		(0.020)	0.13	(0.013)	0.14	(0.025)	0.12	(0.030)	0.11	(0.014)	0.13		(0.019)
Part-time	0.07	(0.005)	0.07	(0.007)	0.08	!	(0.034)	0.08	(0.010)	0.09	(0.016)	0.03	!	(0.009)	0.05	(0.005)	0.07	(0.013)	0.07	(0.017)	0.02	(0.006)	0.02	!	(0.005)
Other paid employees	0.68	(0.011)	0.66	(0.012)	0.59		(0.063)	0.61	(0.016)	0.69	(0.026)	0.79		(0.035)	0.76	(0.021)	0.59	(0.032)	0.62	(0.036)	0.84	(0.032)	1.16		(0.049)
Full-time	0.40	(0.008)	0.37	(0.009)	0.29		(0.048)	0.32	(0.013)	0.39	(0.017)	0.51		(0.027)	0.52	(0.017)	0.35	(0.024)	0.39	(0.030)	0.61	(0.028)	0.87		(0.044)
Part-time	0.28	(0.009)	0.29	(0.012)	0.30		(0.061)	0.29	(0.015)	0.30	(0.022)	0.28		(0.029)	0.24	(0.012)	0.24	(0.020)	0.23	(0.026)	0.22	(0.024)	0.29		(0.027)
Percent of libraries/media centers with
certain media equipment
Automated catalog	88.3	(0.49)	89.1	(0.60)	75.2		(4.05)	88.0	(0.97)	90.0	(1.14)	96.2		(0.81)	90.3	(0.78)	80.4	(1.72)	93.3	(1.72)	97.2	(0.73)	97.1		(0.82)
Automated circulation system	90.3	(0.47)	91.7	(0.59)	77.0		(4.30)	91.4	(0.80)	93.0	(1.07)	95.7		(0.97)	90.1	(0.75)	81.2	(1.60)	94.1	(1.62)	96.2	(0.94)	95.3		(1.00)
Media retrieval system1	32.5	(0.76)	33.6	(0.99)	15.9		(3.35)	27.3	(1.48)	39.2	(1.77)	51.1		(2.24)	32.3	(0.91)	25.2	(1.89)	36.8	(2.56)	38.7	(1.99)	32.7		(2.19)
Connection to Internet	95.9	(0.34)	96.2	(0.46)	88.6		(3.28)	95.7	(0.66)	97.3	(0.79)	98.5		(0.64)	97.3	(0.49)	93.9	(1.18)	98.4	(0.67)	99.4	(0.33)	100.0		(†)
Digital video disc (DVD) player/video
cassette recorder (VCR)	83.2	(0.76)	82.8	(0.98)	66.0		(5.70)	83.1	(1.33)	84.3	(1.49)	84.6		(2.02)	86.7	(0.76)	83.9	(1.50)	89.5	(1.82)	88.4	(1.23)	87.0		(1.88)
Disability assistance technologies,
such as TDD	31.0	(0.75)	29.9	(0.94)	20.7		(3.54)	26.8	(1.33)	33.2	(2.00)	37.4		(2.25)	34.3	(1.02)	30.8	(2.29)	34.6	(2.53)	36.8	(2.17)	37.6		(2.67)
Percent of libraries/media centers with
certain services
Students permitted to check out
laptops	40.2	(0.69)	39.3	(0.85)	31.7		(4.21)	38.5	(1.52)	39.7	(2.01)	44.1		(2.02)	42.4	(1.08)	42.7	(2.07)	40.3	(2.72)	44.3	(2.12)	40.9		(2.77)
Staff permitted to check out laptops	54.3	(0.85)	53.9	(0.99)	38.9		(4.84)	51.8	(1.65)	57.5	(1.89)	59.6		(2.20)	55.5	(1.23)	52.6	(2.24)	55.6	(2.76)	58.1	(2.31)	57.8		(2.37)
Number of library computer workstations
per 100 students	3.1	(0.05)	2.8	(0.06)	12.0		(1.49)	3.7	(0.13)	2.3	(0.09)	2.1		(0.07)	3.6	(0.08)	7.2	(0.35)	4.4	(0.16)	3.5	(0.09)	2.6		(0.12)
Number of holdings per 100 students at
the end of the school year2
Books (number of volumes)	2,188	(42.4)	2,570	(58.5)	9,505		(1472.0)	3,273	(115.0)	2,366	(101.2)	1,692		(53.5)	1,474	(24.7)	3,252	(98.6)	1,908	(74.2)	1,338	(21.2)	976		(20.9)
Audio and video materials	81	(2.4)	85	(3.3)	201		(58.1)	100	(6.6)	80	(4.5)	67		(5.9)	71	(2.9)	131	(8.7)	83	(7.3)	73	(5.4)	50		(4.0)
Number of additions per 100 students
during the school year2
Books (number of volumes)	89.4	(3.47)	104.8	(5.45)	423.0		(83.50)	126.3	(6.91)	99.5	(12.14)	73.4		(4.29)	58.9	(2.08)	124.0	(9.17)	77.5	(5.52)	50.0	(2.54)	43.0		(3.70)
Audio and video materials	4.3	(0.37)	3.8	(0.32)	10.6	!	(4.33)	4.7	(0.50)	3.2	(0.29)	3.2		(0.79)	4.2	(0.70)	5.8	(0.66)	4.3	(0.55)	3.5	(0.67)	4.5	!	(1.50)
Total expenditures for library/media
materials per pupil2,3	$16.00	(0.691)	$16.48	(1.099)	$46.34		(7.286)	$20.40	(1.625)	$15.81	(2.409)	$11.31		(0.649)	$14.80	(0.584)	$27.69	(2.135)	$18.59	(2.051)	$13.48	(0.571)	$11.26		(1.169)
Books	10.28	(0.343)	10.73	(0.480)	32.08		(5.256)	12.82	(0.566)	9.83	(1.001)	8.47		(0.505)	9.41	(0.526)	16.28	(1.284)	12.55	(2.077)	8.06	(0.451)	7.70		(1.025)
Audio and video materials	0.84	(0.072)	0.80	(0.113)	1.02		(0.257)	0.80	(0.074)	1.00	(0.294)	0.56		(0.064)	0.89	(0.062)	1.50	(0.238)	0.79	(0.072)	0.88	(0.080)	0.77		(0.113)

†Not applicable.

!Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 and 50 percent.

1 Centralized video distribution equipment with a scheduling and control server that telecasts video to classrooms.

2 Holdings, additions, and expenditures are from the prior school year, while enrollment counts are from the current school year.

3 Includes other expenditures not separately shown.

NOTE: Total includes combined elementary/secondary schools not separately shown. Detail may not sum to totals because of rounding.

SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), "Public School Library Media Center Questionnaire," 2011-12. (This table was prepared December 2013.)