How to forget wireless networks for iOS 7 devices
1. On the Home Screen, launch Settings.
2. Select Wi-Fi from the left pane.
3. In the right pane, select the ( i ) icon next to the wireless name you wish to forget.
4. Select "Forget this Network"
5. Repeat for any other networks if necessary.
6. If you are unable to see "Fairfield Wireless" or "FCSD_Aux" proceed. (likely if you are not in a school building at this moment)
7. In the left pane, select General.
8. Select Reset.
9. Select Reset Network Settings.
10. Reattach to "FCSD_Public" once again.
* Omit left or right pane from the directions if you are dealing with a iPod or iPhone.
* Please note that this will clear your Wi-Fi network settings, including all saved networks and Wi-Fi passwords.

How to forget wireless networks for iOS 6 or older devices
1. On the Home Screen, launch Settings.
2. Select Wi-Fi from the left pane.
3. In the right pane, select the blue arrow next to the wireless name you wish to forget.
4. Select "Forget this Network"
5. Repeat for any other networks if necessary.
* Omit left or right pane from the directions if you are dealing with a iPod or iPhone.

How to forget wireless networks for Mac OSX
1. Click on the Apple menu and select System Preferences.
2. On the System Preferences menu, click on Network.
3. Click on the Advanced… button.
4. Select the wireless profile you wish to remove under the Preferred Networks box.
5. Make sure it is highlighted then click the minus (-) button.
6. Repeat for any other networks if necessary.

How to forget wireless networks for Android OS
1. Launch Settings.
2. Select Wi-Fi settings.
3. Long Press "Fairfield Wireless" and/or "FCSD_Aux"
4. Select the Forget option.
5. Repeat if needed so that neither are remembered.

How to forget wireless networks for Windows 7
1. Right click on the wireless icon near your clock.
2. Select "Open Network and Sharing Center".
3. Select "Manage Wireless Networks".
4. Click on "Fairfield Wireless" or "FCSD_Aux" once and then click "Remove".
5. Repeat if needed so that neither are remembered.

How to forget wireless networks for Windows 8 or 8.1

How to forget wireless networks for Windows XP