Among public elementary school classroom teachers who participated in professional development activities, percent and standard error reporting that participation in the activity improved their teaching to a moderate or great extent, by school characteristics: School year 2009–10 (<a href='table

Table 40.	Among public elementary school classroom teachers who participated in professional development activities, percent and standard error reporting that participation in the activity improved their teaching to a moderate or great extent, by school characteristics: School year 2009–10 (Table 40—Continued)

School characteristic	Activities focusing on arts instruction
	Applied study in one of the arts or arts education		Developing knowledge about the arts (e.g., historical, cultural, analytical)		Connecting arts learning with other subject areas		Research on the arts and student learning (e.g., arts and cognition)
	Percent	Standard error	Percent	Standard error	Percent	Standard error	Percent	Standard error

All public elementary school classroom teachers	50	(3.9)	43	(4.8)	56	(3.8)	54	(4.4)

Enrollment size
Less than 300	48	(10.0)	46	(10.2)	45	(8.9)	54	(11.3)
300 to 499	56	(5.9)	48	(8.1)	64	(5.0)	72	(5.4)
500 or more	47	(5.8)	40	(6.9)	53	(4.8)	43	(6.8)
Community type
City	59	(7.5)	61	(8.3)	64	(6.1)	73	(8.0)
Suburban	50	(6.0)	43	(8.3)	55	(6.5)	54	(7.9)
Town	49	(13.9)	‡	(†)	60	(11.9)	‡	(†)
Rural	39	(6.7)	29	(8.4)	47	(7.6)	39	(8.7)
Region
Northeast	40	(10.3)	50	(12.0)	60	(8.8)	53	(10.5)
Southeast	54	(7.6)	38	(9.6)	55	(6.1)	54	(8.9)
Central	38	(9.7)	37	(9.9)	49	(7.5)	52	(8.4)
West	58	(7.7)	47	(7.2)	59	(6.2)	56	(8.8)
Percent combined enrollment of Black and other races/ethnicities¹
Less than 6 percent	30!	(12.8)	42!	(18.9)	44	(10.6)	42!	(12.9)
6 to 20 percent	40	(9.3)	33	(9.7)	42	(7.7)	49	(9.2)
21 to 49 percent	43	(9.8)	32!	(10.5)	66	(6.2)	55	(9.7)
50 percent or more	64	(5.9)	56	(7.2)	59	(5.5)	61	(7.5)

Percent of students eligible for free or reduced-price lunch
0 to 25 percent	46	(10.8)	45	(10.7)	49	(6.9)	49	(7.1)
26 to 50 percent	41	(9.6)	22!	(8.1)	46	(9.2)	50	(9.7)
51 to 75 percent	45	(8.7)	45	(9.2)	61	(6.5)	54	(10.9)
76 percent or more	62	(6.8)	54	(8.1)	63	(6.1)	63	(8.3)