https://www.nationsreportcard.gov/science_2005/s0153.aspx?subtab_id=Tab_2&tab_id=tab1&printver=Y
NAEP 2005 Assessment Results - Science: Classroom Context: Coursetaking
NAEP 2005 Assessment Results - Science: Educational Context: Coursetaking
assessment resultsnaepscienceclassroomcontext
https://nces.ed.gov/programs/raceindicators/indicator_RCD.asp
Indicator 13: High School Coursetaking
high schoolindicator