Looking inside the 2017 NAEP results for students with disabilities (presented here) by race/ethnicity provides a gloomy picture.

Below are results on 2017 NAEP assessments in math and reading by race/ethnicity.
(Learn more about the NAEP and students with disabilities.)

MATH GRADE 4

MATH GRADE 8

READING GRADE 4

READING GRADE 8

Source: https://www.nationsreportcard.gov/