CONTACT CCSD21

959 West Dundee Road
Wheeling, Illinois 60090

Phone: 847-537-8270

Hours: 7:30 AM – 4 PM

Superintendent: Dr. Michael Connolly

School Board & Administration


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CCSD21 is a school district comprised of 13 schools across 6 different communities in the northwest suburbs of Chicago.

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BECOME A MEMBER OF THE SCHOOL DISTRICT 21 TEAM

School District 21 prides itself on its Professional Learning Community and its rich tradition of professional collaboration, high levels of professional development, and family-like atmosphere. If you see the opportunity to work with colleagues in making a difference in the lives of students and families in a truly diverse setting, School District 21 seeks your application.

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Too Many Tabs

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Chrome, the web browser on Windows, Mac, iOS, and Android, and Chrome OS, the operating system, are both incredible tools that allow the user to interact with the Web in a natural and fluid way. This is even more true when it comes to utilizing Google Apps within Chrome. In either of these cases, though, users are likely to end up with many different tabs open within Chrome.

tabs

 

For example, a typical user will have tabs open for:

  • Gmail
  • Calendar
  • Drive
  • 1 or more tabs open with a Doc, Slides Presentation, or Google Sheet
  • 1 or more tabs open with other websites that have been visited in searching for information

 

Very quickly, it is possible to have 7 or 8 tabs open, and this becomes a problem when too much memory is used on the computer, and everything starts to run slow.

 

There is no magic number of tabs that can be or should not be open. Rather, the rules of thumb are:

  • Only keep open tabs that need to be open (Close tabs that are not needed)
  • Do not open more than 8 to 10 tabs at the same time

So, to ensure that Chrome and Chrome OS successfully work for you, be certain to minimize your open tabs to just those that are needed!

 

 

Topic: Tech Tips



Each District 21 school is named after an American author, and learning and literacy is at the center of our Professional Learning Community. The Modern Pen provides a collaborative location in which District 21 teachers can come together to learn the skills that will enable their students to learn new skills and to understand concepts at an even different level than before.

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