The Maine School of Science and Mathematics in Limestone is the state’s top high school and one of the best in the country, according to U.S. News & World Report.

The annual ranking said the magnet school has a teacher-student ratio of 10 to 1, which is smaller than the Maine average, and 100 percent proficiency ratings for students in math and reading. In addition, MSSM had a college readiness score of 100, meaning all students took and passed at least one Advanced Placement test, which can earn students college credits.

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The magazine said MSSM ranked 13th nationally.

The School for the Talented & Gifted in Dallas was ranked first nationally, followed by BASIS Tucson in Arizona and Gwinnett School of Mathematics, Science and Technology in Lawrenceville, Ga.

In Maine, Yarmouth High School was ranked second, followed by Falmouth High School, Cape Elizabeth High School and Wells High School.