If you want to access Challenger Staff Login, you can access the website directly using the list below.
https://staff.challenger.wa.edu.au/
https://challenger.asd20.org/Pages/default.aspx
https://portals.gesd40.org/challenger
https://www.mukilteoschools.org/Domain/76
https://www.challengerschool.com/
https://issaquah.wednet.edu/challenger
https://www.huntsvillecityschools.org/schools/challenger-elementary
https://www.huntsvillecityschools.org/schools/challenger-middle
https://www.susd12.org/challenger