Australian Government, Department of Education
Department of Home Affairs website:
Visa types: https://immi.homeaffairs.gov.au/visas/getting-a-visa/visa-finder
To check visa conditions: https://immi.homeaffairs.gov.au/visas/already-have-a-visa/check-visa-details-and-conditions
Check which documents you should submit to IMMI in your student visa application: https://immi.homeaffairs.gov.au/visas/web-evidentiary-tool
Student visa details: https://immi.homeaffairs.gov.au/visas/getting-a-visa/visa-listing/student-500#HowTo
Temporary Graduate visa 485 details: https://immi.homeaffairs.gov.au/visas/getting-a-visa/visa-listing/temporary-graduate-485
Designated regional area postcodes: https://immi.homeaffairs.gov.au/visas/working-in-australia/skill-occupation-list/regional-postcodes
Skill Occupation List: https://immi.homeaffairs.gov.au/visas/working-in-australia/skill-occupation-list
2) Skill Assessment Authorities
For trade qualifications: https://www.tradesrecognitionaustralia.gov.au/programs/job-ready-program
For Engineer: https://www.engineersaustralia.org.au/For-Migrants/Migration-Skills-Assessment
For IT: https://www.acs.org.au/msa/information-for-applicants.html
For Accounting: https://www.cpaaustralia.com.au/become-a-cpa/migration-assessment/australia