References

Ministry of Education Singapore. (2022, April 6). Names of primary and secondary schools merging between 2022 and 2025. 

https://www.moe.gov.sg/news/press-releases/20220406-names-of-primary-and-secondary-schools-merging-between-2022-and-2025

Worlddata.info. (n.d.). IQ: Intelligence quotient by country. Worlddata.info. 

https://www.worlddata.info/iq-by-country.php