https://www.topuniversities.com/World universities rankings by regions.

Financial Times Business Schools rankings business schools, executive education, executive MBA’s

https://www.timeshighereducation.com/world-university-rankings 

http://www.shanghairanking.com/index.html World top 1000 universities.

https://world-schools.com/the-best-international-schools-in-the-world/

https://www.internationalschoolsearch.com/ leading international school search guide.