Reference

All functions
countrycode	Country iso3c and name mapping for PISA OECD countries participants.
load_student()	load_student() function allows the user to extract the PISA student scores for any desired year from 2000-2018
school	School data available for the years 2000-2018 from the PISA OECD database
student_subset_2000 student_subset_2003 student_subset_2006 student_subset_2009 student_subset_2012 student_subset_2015 student_subset_2018	Sample student data available for the years 2000-2018 from the PISA OECD database