Answer:
Actually, a call to the Texas Education Agency revealed that there are 1,721 high school campuses (high schools) in Texas, in which 1,266,505 students were enrolled on May 26, 2010.
You can reach the TEA at this number, where they'll do a free database search on the spot with other questions about education in Texas: (512) 463-9734.
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About 5,327 schools