How to prevent changing DNS server address

I work for a public school district. We just purchased our first batch of Win 8.1 PCs, but they are not the Pro version, so there is no gpedit. I want to prevent students from accessing the TCP/IPv4 Properties dialog box in order to ensure that the
DNS server address is always obtained automatically. Can anyone tell me how to do this using regedit, or any other way? Thanks!

Easiest way is to assign these students a standard user account (without admin rights).. They cant change any system setting then.. Other than restricting privileges I don't think you have option here since you don't have group policy editor ..
There could be a possibility to do this using regedit But it is not recommended since there are no any official article for this other than below untested third party article form ehow
http://www.ehow.com/how_8110801_disable-tcpip-properties-regedit.html
Besides it could be tedious.. enabling and disabling it..

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Disclaimer: Apple does not necessarily endorse any suggestions, solutions, or third-party software products that may be mentioned in the topic below. Apple encourages you to first seek a solution at Apple Support. The following links are provided as is, with no guarantee of the effectiveness or reliability of the information. Apple does not guarantee that these links will be maintained or functional at any given time. Use the information below at your own discretion.
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