At one point I had three kids using one computer. One kid worked before breakfast, one after, and one after lunch. It was no problem finishing by around 3pm.
If you have kids sharing a computer, there are things you can do to help facilitate.
*Have everything printed that they will need. Write the day number in the top corner of the page, so you won’t have to get on the computer to see which worksheet they need to do that day.
*Have your elementary (L) level kids and your middle school (M) kids do their history, science, etc. together. Have them start with the program year so that one isn’t waiting on the other to finish his level to start each day.
*After doing their history, etc., one kid can do the level assignments while the other does any worksheets.
*If you have an ereader, download their books, so one kid can read while someone else is using the computer.
*Let them know that if there is a game they really love that day, they can play it more once everyone is finished with school.
OK
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Can I have two children on two different computers both logged in and working their own courses at the same time?
Yes, absolutely. The only issue sometimes comes up if you have the SAME student open in two different places (for instance, the student page on one device and the settings for that same student on another device). But different students open simultaneously is no problem.