Table 208.10.

Public elementary and secondary pupil/teacher ratios, by selected school characteristics: Fall 2009 through fall 2019

Selected school characteristic	2009	20101	2011	2012	2013	2014	2015	2016	2017	2018	20192
1	2	3	4	5	6	7	8	9	10	11	12
All schools	16.0	16.4	16.3	16.4	16.3	16.2	16.2	16.2	16.1	16.1	15.9
Enrollment size of school
Under 300	12.6	12.9	12.8	12.8	12.7	12.7	12.8	12.8	12.7	12.7	12.6
300 to 499	15.2	15.4	15.4	15.5	15.4	15.3	15.3	15.2	15.2	15.1	14.9
500 to 999	16.3	16.7	16.7	16.7	16.7	16.5	16.5	16.5	16.4	16.4	16.3
1,000 to 1,499	16.8	17.3	17.1	17.1	17.1	16.9	16.9	17.0	16.8	17.0	16.8
1,500 or more	18.7	19.5	19.0	19.0	19.1	19.0	19.0	18.9	18.8	18.8	18.6
Type
Regular schools	16.1	16.5	16.4	16.5	16.5	16.3	16.3	16.3	16.2	16.2	16.1
Alternative	14.3	14.8	14.7	14.8	14.3	14.5	14.4	14.4	13.9	14.0	14.4
Special education	7.1	6.9	7.1	7.2	6.6	7.0	7.4	7.2	7.3	7.3	6.3
Vocational	10.2	11.7	11.8	11.6	11.8	11.8	11.9	11.8	11.7	12.0	11.9
Percent of students eligible for     free or reduced-price lunch
25 percent or less	16.5	16.8	16.9	16.5	16.5	16.4	16.5	16.5	16.2	16.4	16.3
26 percent to 50 percent	16.1	16.5	16.2	16.4	16.3	16.2	16.2	16.1	16.0	16.2	16.0
51 percent to 75 percent	15.8	16.2	15.8	16.2	16.1	16.0	16.0	15.9	15.9	15.9	15.8
More than 75 percent	15.6	16.0	15.5	16.3	16.5	16.4	16.4	16.4	16.2	16.1	15.9
Level and size
Prekindergarten	19.0	18.8	19.3	18.4	15.9	17.5	18.3	18.1	18.3	18.5	18.1
Elementary schools	16.0	16.4	16.4	16.5	16.5	16.2	16.1	16.1	16.0	16.0	15.8
Regular	16.0	16.4	16.4	16.5	16.5	16.2	16.2	16.1	16.0	16.0	15.8
Under 300	13.7	14.0	13.9	14.0	13.9	13.7	13.7	13.7	13.7	13.6	13.4
300 to 499	15.5	15.8	15.8	15.8	15.8	15.6	15.5	15.5	15.4	15.3	15.2
500 to 999	16.8	17.2	17.3	17.3	17.3	17.0	17.0	17.0	16.8	16.9	16.7
1,000 to 1,499	17.2	17.8	17.8	18.0	18.0	17.5	17.3	17.3	17.2	17.3	17.2
1,500 or more	16.9	17.3	17.5	17.4	18.1	17.7	17.8	17.8	16.4	15.8	15.9
Middle schools	15.7	16.2	16.1	16.1	16.1	16.0	15.9	15.9	16.0	16.1	16.0
Regular	15.7	16.2	16.1	16.1	16.1	16.0	15.9	15.9	16.0	16.2	16.0
Under 300	13.3	13.7	13.6	13.7	13.7	13.6	13.6	13.5	13.7	13.7	13.5
300 to 499	14.4	14.7	14.7	14.8	14.8	14.7	14.7	14.7	14.8	15.0	14.6
500 to 999	15.7	16.2	16.1	16.1	16.1	16.0	15.9	15.9	15.9	16.1	16.0
1,000 to 1,499	17.4	18.1	17.8	17.8	17.8	17.5	17.5	17.5	17.5	17.7	17.5
1,500 or more	18.9	19.9	19.4	19.3	19.4	19.3	19.1	19.0	18.6	19.1	18.5
Secondary and high schools	16.3	16.7	16.4	16.4	16.4	16.5	16.5	16.5	16.4	16.4	16.2
Regular	16.6	16.9	16.6	16.6	16.6	16.7	16.7	16.7	16.6	16.6	16.4
Under 300	11.8	12.1	11.8	11.8	11.9	11.7	11.9	12.1	11.9	11.9	11.6
300 to 499	14.5	14.6	14.5	14.4	14.4	14.5	14.6	14.5	14.4	14.3	13.9
500 to 999	15.3	15.5	15.3	15.3	15.3	15.4	15.5	15.5	15.5	15.4	15.1
1,000 to 1,499	16.4	16.7	16.4	16.4	16.4	16.4	16.5	16.5	16.4	16.5	16.2
1,500 or more	18.8	19.3	18.8	18.9	18.9	18.9	18.8	18.7	18.6	18.7	18.5
Other, ungraded, and not     applicable/not reported	14.0	14.7	14.3	14.5	14.3	14.1	15.2	15.1	15.0	15.3	14.9
Regular	16.3	17.0	16.3	16.6	16.9	16.0	17.0	17.0	17.0	17.0	16.8
Under 300	11.0	10.9	11.0	11.3	11.0	10.8	11.1	11.4	11.0	11.1	11.0
300 to 499	14.3	14.9	14.3	14.2	14.5	14.5	14.7	15.4	14.8	14.6	14.2
500 to 999	15.9	16.7	15.9	16.1	15.9	15.4	16.4	16.5	16.6	16.5	16.4
1,000 to 1,499	17.9	18.9	17.9	17.4	17.6	17.5	17.7	17.5	16.8	17.2	17.5
1,500 or more	26.0	27.8	26.0	25.2	26.2	22.0	25.2	23.8	23.7	22.9	22.4
Level, type, and percent of     students eligible for free     or reduced-price lunch
Elementary, regular
25 percent or less	16.7	17.1	16.9	16.8	16.7	16.5	16.5	16.5	16.2	16.3	16.2
26 to 50 percent	16.1	16.5	16.4	16.5	16.4	16.1	16.1	15.9	15.8	15.8	15.7
51 to 75 percent	15.7	16.0	15.9	16.2	16.1	15.8	15.8	15.8	15.6	15.6	15.5
More than 75 percent	15.8	16.2	15.8	16.6	16.7	16.6	16.5	16.4	16.3	16.2	16.0
Middle, regular
25 percent or less	15.6	16.1	16.1	15.9	15.9	15.8	16.0	15.9	15.7	15.9	15.7
26 to 50 percent	16.0	16.5	16.2	16.4	16.2	16.1	16.2	16.0	16.1	16.3	16.1
51 to 75 percent	15.6	16.1	15.8	16.0	16.0	15.8	15.8	15.8	15.9	16.1	16.0
More than 75 percent	15.5	16.1	15.4	16.2	16.3	16.2	16.1	16.1	16.2	16.3	16.2
Secondary and high, regular
25 percent or less	16.8	17.1	17.3	16.7	16.7	16.7	16.9	16.8	16.5	16.7	16.6
26 to 50 percent	16.5	16.8	16.3	16.5	16.4	16.5	16.5	16.5	16.4	16.6	16.3
51 to 75 percent	16.5	17.2	16.1	16.7	16.7	16.9	16.9	16.8	16.8	16.7	16.4
More than 75 percent	15.9	16.5	15.5	16.4	16.8	16.8	17.0	17.1	16.8	16.5	16.2

1 Includes imputations for California and Wyoming.

2 Includes imputations for California.

NOTE: Data in this table represent the 50 states and the District of Columbia. Includes only schools that reported both enrollment and teacher data. Ratios are based on data reported by schools and may differ from data reported in other tables that reflect aggregate totals reported by states. Some data have been revised from previously published figures.

SOURCE: U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), "Public Elementary/Secondary School Universe Survey," 2009-10 through 2019-20. (This table was prepared November 2021.)