Yes you can.
STUDENTS WITH LINKED ACCOUNTS:
If you are a student and have linked your Student Portal & Community accounts you will need to register your device to access the community and log in via your mobile device. (tablet, phone etc) Please follow this link to learn how. Registering your mobile device on the community
NON STUDENTS USING THE PUBLIC LOGIN:
Just browse to http://community.pennfoster.edu from your mobile device. You will automatically be redirected to a mobile-optimized version of the site.
Click Log In and enter your username & password.
You can also add the site as a bookmark to your homepage
There is currently no mobile APP for ipad. On an ipad navigate to https://pennfoster.jive-mobile.com to access the mobile version of the community.
To access the full version with all functionality navigate to the regular URL