Teachers’ age
Principals’ age
Change in the share of seniors among teachers and principals from 2013 to 2018
Change in gender balance among teachers from 2013 to 2018
Gender balance among teachers and principals
School composition
School concentration of students with special needs
School concentration of students whose first language is different from the language(s) of instruction
School practices related to equity
School practices related to diversity
Teachers’ self-efficacy in teaching multicultural classes
School safety
Change in school safety from 2013 to 2018
Change in classroom discipline from 2013 to 2018
Shortages of school resources that hinder quality instruction
Spending priorities for lower secondary education
Improving teacher salaries
Relationship between reducing class sizes as a highly-important spending priority and class size