teaching, teachers jobs and schooling in dubai are covered quiet extensively in some of the earlier postings on the forum. there is plenty of information, some of it may be a little dated, but this is normally with regards to the salary packages of the teacher - or what they were recieving back then. the fundimentals remain.
below is a copy of a posting by one of the older members - with some links to the relevant topics:
http://www.dubaiforums.com/viewtopic.php?p=1609#1609 - school ratings.
http://www.dubaiforums.com/viewtopic.php?t=6710 - teaching jobs and link to schools list.
http://www.dubaiforums.com/viewtopic.php?t=5793 - JESS and Chouiefat.
http://www.dubaiforums.com/viewtopic.php?t=423 - DAA, DC and AIS brief comment.
http://www.dubaiforums.com/viewtopic.php?p=8064#8064 - list of schools/websites
http://www.dubaiforums.com/viewtopic.php?t=6187 - Al Salam British School and link to colleges.
http://www.dubaiforums.com/viewtopic.php?t=5065 - Chouiefat and general comments.
http://www.dubaiforums.com/viewtopic.php?t=7278- Kings, DIS, Carmel, Chouiefat.
http://www.dubaiforums.com/viewtopic.php?t=4247 - no teaching qualification.
http://www.dubaiforums.com/viewtopic.php?t=8196 - Applying for School Places (without correct visas).