Anchor: Unconventionally gifted kids, who didn't get top grades in high school or who don't have perfect SAT scores, stand a better chance than they do elsewhere of getting in--and of being presented with the highest level of intellectual challenge.
Entailed: Here, kids who are gifted despite not getting the best high school grades or SAT scores are more likely to both get in and be challenged intellectually as best as possible. 
Contradiction: Gifted kids who do not score well do not do well. 
Contradiction: Unconventionally gifted kids do not have any chance of getting a challenge. 
Contradiction: Unconventionally gifted kids can't get in anywhere without getting 100% scores on standardized tests and the best scores in their high schools. 
Contradiction: The city's southern entrance has the Tomb of Rachel.
Contradiction: A boy is in a pool.