PUBLIC LAW 107-110-^AN. 8, 2002 115 STAT. 1445 standards that will be used by the State, its local educational agencies, and its schools to carry out this part, except that a State shall not be required to submit such standards to the Secretary. "(B) SAME STANDARDS. —The academic standards required by subparagraph (A) shall be the same academic standards that the State applies to all schools and children in the State. "(C) SUBJECTS. — The State shall have such academic standards for all public elementary school and secondary school children, including children served under this part, in subjects determined by the State, but including at least mathematics, reading or language arts, and (beginning in the 2005-2006 school year) science, which shall include the same knowledge, skills, and levels of achievement expected of all children. "(D) CHALLENGING ACADEMIC STANDARDS.—Standards under this paragraph shall include— "(i) challenging academic content standards in academic subjects that— "(I) specify what children are expected to know and be able to do; "(II) contain coherent and rigorous content; and "(III) encourage the teaching of advanced skills; and "(ii) challenging student academic achievement standards that— "(I) are aligned with the State's academic content standards; "(II) describe two levels of high achievement (proficient and advanced) that determine how well children are mastering the material in the State academic content standards; and "(III) describe a third level of achievement (basic) to provide complete information about the progress of the lower-achieving children toward mastering the proficient and advanced levels of achievement. " (E) INFORMATION.—For the subjects in which students will be served under this part, but for which a State is not required by subparagraphs (A), (B), and (C) to develop, and has not otherwise developed, such academic standards, the State plan shall describe a strategy for ensuring that students are taught the same knowledge and skills in such subjects and held to the same expectations as are all children. "(F) EXISTING STANDARDS.— Nothing in this part shall prohibit a State from revising, consistent with this section, any standard adopted under this part before or after the date of enactment of the No Child Left Behind Act of 2001. " (2) ACCOUNTABILITY. — "(A) IN GENERAL. —Each State plan shall demonstrate that the State has developed and is implementing a single, statewide State accountability system that will be effective in ensuring that all local educational agencies, public
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