1. (2023, December 12). U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress [NAEP]. Achievement Gap Results Mathematics (0–500 at Grades 4 and 8 0–300 at Grade 12), Students with Disabilities-Not Students with Disabilities Score Gap. U.S. Department of Education: Washington, DC, USA, 2023, Available online: https://www.nationsreportcard.gov/dashboards/achievement_gaps.aspx.
2. (2023, December 12). U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics [NAEP]. Mathematics National Student Group Scores and Score Gaps, Grade 4, U.S. Department of Education: Washington, DC, USA, 2023, Available online: https://www.nationsreportcard.gov/mathematics/nation/groups/?grade=4.
3. (2023, December 12). U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics [NAEP]. Mathematics National Student Group Scores and Score Gaps, Grade 8, U.S. Department of Education: Washington, DC, USA, 2023, Available online: https://www.nationsreportcard.gov/mathematics/nation/groups/?grade=8.
4. (2023, December 12). U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics [NAEP]. Mathematics National Student Group Scores and Score Gaps, Grade 12, U.S. Department of Education: Washington, DC, USA, 2023, Available online: https://www.nationsreportcard.gov/mathematics/nation/groups/?grade=12.
5. (2023, December 12). U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics [NAEP]. Mathematics 2019. National Student Group Scores and Score Gaps, Grade 12, U.S. Department of Education: Washington, DC, USA, 2019, Available online: https://www.nationsreportcard.gov/mathematics/nation/groups/?grade=12.