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How does it work and what can it do?

As long as the students computers are connected to the teachers network, the program will allow teachers to send, share and monitor contents of the students, share a student's screen with the class and direct students to particular websites and programs. Teachers can also send individual notes to a students' screens, decreasing class interruptions.

When the students attend a class, they will sign onto the teacher channels. By signing onto the teacher's channel, it allows teachers to monitor their students using their laptops during class time. Teachers can also control the student's screen, share a screen with the class etc.

This program allows teachers to view and control students' computers when they are logged into the teacher's channels during lessons. This program would only work when they are connected to the school's network.

When the students are in a classroom to attend a particular class, the program designed will be allow the teacher in charge to view every students computer screen as the students connect to the network. 

can you for see any problems with this?

Since the program allows the teacher to access and control the student computer, theres a possibility that the teacher access students files on their computer while they're away.

A bit related to invasion of privacy.

This allows teachers to view student's personal details/files without consent, when they are logged into their channel.

This might lead to privacy problems due to the lack of security in the program. When the students connect to the teacher's computer, the teacher will have full access of the student's computer.

how does this work

when the student's laptop is not within a certain range from the teacher's channel, students are automatically sign off of that channel (not sure if this is done by network or just the connection between the teacher's computer and the student's computer)

The program would stop broadcasting the student's screen as soon as they leave the "channel". The program would use the school network to proxy the two computers and once the student has logged off the "channel", the program stops the connection

In order to run LanSchool students download the software onto their computer. When students leave the class, they sign off of the channel, disabling the teacher from viewing the student's screen. Since they leave the class, their computers would either be on standby or switch off mode, therefore the network accessibilty on the students computer would be switched off as well, therefore disabling connection with the network, and disabling the teacher from viewing the students screen.

When the student leaves the network or exit the channel that they signed in to in order for the teachers to view their screens, the teachers will be able to access or view the students screen afterwards. Once the connection is lost, the program disables the connection between the 2 parties. 

How does this work? What are the technical terms. (CT)

The iPlayer service is able to detect you're IP address or ISP through your network and track down your location. As every area has a different IP, it would be easy to locate. There are IP locaters that allow systems to track physical locations around the world.  Unless you use a proxy server, it would be harder to track down your physical location, as it has no direct route back to your computer.

How does this work? Use some technical terms to describe. (WK)

What is substitute? What is VPN? Use technical terms. (Conan)

A VPN is a private network that uses a public network to connect remote sites or users together. A key feature of a VPN is its ability to work over both private networks as well as public networks like the Internet. 

TOR and Foxyproxy are examples of alternatives for VPN. TOR(The Onion Router), is an online anonymity system keeping user's internet activities from being monitored. Foxyproxy is a a firefox plugin that allows you to add proxies, keeping your ip hidden when you use it.