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999 West Dundee Road
Wheeling, Illinois 60090

Phone: 847-537-8270

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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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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Posts with Tag: Student Devices

Using Google Calendar as your Assignment Book

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Within hours of eighth graders first receiving their Chromebooks in October 2013, students were discovering that their Chromebooks could serve as a more modern, more effective version of the traditional assignment notebook. We’ve identified multiple strategies for effectively using your Chromebook to keep track of your assignments and manage your time and work. In this […]

Using Google Keep as your Assignment Book

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Within hours of eighth graders first receiving their Chromebooks in October 2013, students were discovering that their Chromebooks could serve as a more modern, more effective version of the traditional assignment notebook. We’ve identified multiple strategies for effectively using your Chromebook to keep track of your assignments and manage your time and work. In this […]

Using Chromebooks without the Internet

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You now have a Chromebook. What if you do not have the Internet at home? What if you are going somewhere in which there is no Internet and you need to do some work on your Chromebook while you are there? In either case, our Chromebooks have more and more functionality even without the Internet. […]

Settings: Writing in Multiple Languages

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One amazing feature of Google Docs and Google Slides that has been discovered by CCSD21 staff members since we began using Google Apps is that Google is smart enough to know when you are writing in another language–even when your Google Apps language is set to English and when your computer is set to English. […]

Extending Chromebook Battery Life

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The first set of Chromebooks purchased in School District are made by Acer. They have been purchased with a standard 16 GB SSD drive and additional RAM–4 GB. Most importantly, the extended six-cell battery has been purchased for all of these Chromebooks. This battery is estimated to provide 6.5 hours of power to the Chromebook […]

Chrome OS Apps

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Chromebooks run the Chrome OS operating system developed by Google. Chrome OS is a version of Linux, and it’s primary function is to provide users with a connection to the Web and all of the services that one uses on the Internet. Chrome, the web browser, and Chrome OS both support an ever-increasing number of […]

Updating your Chromebook

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One of the reasons that students and staff members selected Chromebooks as the student device to provide was because of the incredible ease of technical management. Like all operating systems, from time-to-time, Chrome OS will require updates. These updates are issued by Google directly to the Chromebooks. When the Chromebook receives the update, an arrow […]

Chromebooks: Help requests

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If the Chromebook is physically damaged (i.e., broken case, cracked screen, etc.) or if it is not working and students and teachers have tried the basic troubleshooting steps, then, it is time to contact the Tech Center with a Help Request. Teachers can enter a Help Request online or call 6283 within School District 21. […]

Chromebooks: Basic troubleshooting

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One of the great advantages of the Chromebook that students and staff members found during their review of a variety of different student devices was the incredible technological simplicity of the Chromebook. Basically, there is a checklist of three simple things to ensure that a Chromebook is working, and any student or staff member can […]

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, […]



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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