A COW at School? Computer on Wheels are a Great Investment

A picture of a mobile computer cart.

Transform learning with a COW or Computer on Wheels. This mobile computer workstation allows teachers to integrate technology into curriculum.

It’s a computer! It’s a projector! No, it’s a COW!!

No, we are not a rural school that has brought livestock into the classroom. Nor have we adopted a barnyard pet. Instead, our school uses a COW or Computer on Wheels to integrate technology into curriculum.

Our school is fortunate enough to have two COWs. The primary grades had a contest a while ago and came up with names for our COWs. They are Bug and Matilda.

What is a COW?

A COW is a mobile computer workstation. On a wheeled cart is a laptop connected to a projector and speakers. When the laptop is turned on, the image on the computer screen is projected onto a blank wall or projector screen for others to see. The cart can easily be moved to any room in the school.

The cart has four shelves. On the top shelf sits the projector with its remote control firmly attached to the unit using Velcro. On the next shelf is the laptop. This shelf is moveable. To use the laptop the shelf slides out permitting the laptop lid to open making it easy to see the screen, type on the keyboard, and attach external devices. When not in use the laptop lid is closed and the shelf pushed back into the cart. Below the moveable shelf rest the speakers and below that another shelf that is useful for transporting additional materials.


The laptop has Wi-Fi and quickly connects to the school’s domain. When a teacher or student logs in they are able to see their user profile desktop, retrieve their files, print documents, and use the Internet. In addition, the laptop has several free USB slots and a DVD drive so that media prepared elsewhere can easily be accessed.

There is very little training required to use a COW. The teacher just has to plug in the power supply and turn the hardware on. That’s it! As long as there is a power outlet and a blank wall or projector screen, any teacher is ready to use the equipment in less than 5 minutes!

How do Teachers use the COW?

At our school, it did not take the teachers long to discover ways to enhance learning with the COW. When it was first introduced, the teachers already had an idea of how they wanted to use the technology. They were familiar with using a projector. In the computer lab there is a dedicated teacher computer with a projector that displays an image onto a blank white wall. It is used for almost every lesson in the computer lab. Teachers use it to share resources, model a set of instructions, demonstrate the steps to resolve a common issue, focus discussion, or view student work.

At our school the COW is used to:

  • showcase student work at Open Houses
  • inform prospective families about the school community
  • incorporate media into school assemblies and concerts
  • present reports at education meetings
  • share an educational video (load one file for all to see to avoid slowing the network down with too many users)
  • present student work
  • demonstrate a concept

Does your School Have a COW?

How is a COW used at your school? Share your experiences!

TechnoLaurie

About TechnoLaurie

Laurie Gerard, Research and Development - Laurie Gerard is responsible for the research and development center at John Knox Christian School (JKCS). Many years ago, TechnoKids Inc. formed a partnership with the school community to have teachers test our instructional materials. This relationship ensures that the projects are developmentally appropriate, meaningful to students, integrate into the curriculum, and have clear instructions. Laurie works with the staff and students at JKCS to help them operate their technology program. Her duties include curriculum support, computer lab maintenance, and upkeep of the network and server. As a key member of the Information Technology Committee at the school she provides advice regarding the technology program. Her devotion to the school community and their technology program makes her an invaluable member to our team. Laurie's contribution to the blog includes entries about the challenges of integrating technology in a school environment. The technical issues she overcomes related to hardware, software, and networking will be passed on to you in the form of practical strategies. In addition, she writes about the real-world problems faced by a school as they struggle to offer a quality technology program with a limited budget.
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