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string(30) "assessments-and-accountability" string(70) "https://www.coreknowledge.org/category/assessments-and-accountability/"
string(36) "core-knowledge-history-and-geography" string(87) "https://www.coreknowledge.org/category/curriculum/core-knowledge-history-and-geography/"
string(28) "core-knowledge-language-arts" string(79) "https://www.coreknowledge.org/category/curriculum/core-knowledge-language-arts/"
string(22) "core-knowledge-schools" string(62) "https://www.coreknowledge.org/category/core-knowledge-schools/"
string(28) "core-knowledge-science-cksci" string(79) "https://www.coreknowledge.org/category/curriculum/core-knowledge-science-cksci/"
string(10) "curriculum" string(50) "https://www.coreknowledge.org/category/curriculum/"
string(20) "education-leadership" string(60) "https://www.coreknowledge.org/category/education-leadership/"
string(14) "education-news" string(81) "https://www.coreknowledge.org/category/policy-research-and-theory/education-news/"
string(18) "education-practice" string(67) "https://www.coreknowledge.org/category/teaching/education-practice/"
string(16) "education-theory" string(83) "https://www.coreknowledge.org/category/policy-research-and-theory/education-theory/"
string(18) "educational-policy" string(85) "https://www.coreknowledge.org/category/policy-research-and-theory/educational-policy/"
string(16) "higher-education" string(83) "https://www.coreknowledge.org/category/policy-research-and-theory/higher-education/"
string(10) "homeschool" string(50) "https://www.coreknowledge.org/category/homeschool/"
string(8) "literacy" string(59) "https://www.coreknowledge.org/category/curriculum/literacy/"
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string(8) "teaching" string(48) "https://www.coreknowledge.org/category/teaching/"
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