Read this excerpt from an MLA-formatted paper.

Not only are students' reading choices sometimes censored, so are their clothing choices. Many schools have a mandatory uniform or a dress code for students. These policies are said to promote safety and discipline. However, they also limit how students can express themselves through their appearance. According to the National Center for Education Statistics, in the past decade, the number of public schools requiring students to wear uniforms has almost doubled, to nineteen percent (Abutaleb).

Identify the attributive phrase from this excerpt.


in the past decade, the number of public schools requiring students to wear uniforms has almost doubled, to nineteen percent


(Abutaleb)


However, they also limit how students can express themselves through their appearance.


According to the National Center for Education Statistics