As others have mentioned, there are sites that will post rankings. I also would suggest that you ask people who may have children attending those schools or speak directly to school officials. Rankings don't tell you everything. You also have to decide what is important to you and your children. Some schools may have great rankings, but they don't have the music education or science focus or sports programs that you may be looking for. One size doesn't fit all when it comes to schools. People may think that it is only money per pupil or teacher/student ratio, but there is more to it than that. Good luck with your search.
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William Raveis Legends Realty Group
Here is the "great schools" link that will take you directly to the West Hartford, CT page and also a link for information on the public schools there.
Hope this is useful.
Prudential Connecticut Realty
GreatSchools.org is a great resource for rankings check it out. I posted the link with the zipcode you supplied. If you need anymore info feel free to email me SethWinkleman@PrudentialCT.com or (text/call) 860-985-5816. My website is http://LinkWithWink.PrudentialCT.com