year	type	mod_ass	mean	subject	age	group
2008	public	0	250	math	9	White
2008	public	0	224	math	9	Black
2008	public	0	233	math	9	Hispanic
2008	public	0	289	math	13	White
2008	public	0	261	math	13	Black
2008	public	0	267	math	13	Hispanic
2008	public	0	226	read	9	White
2008	public	0	203	read	9	Black
2008	public	0	207	read	9	Hispanic
2008	public	0	267	read	13	White
2008	public	0	246	read	13	Black
2008	public	0	241	read	13	Hispanic
