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CA or ca may refer to:

Contents

Businesses and organizationsEdit

CompaniesEdit

Government and politicalEdit

SchoolsEdit

  • Canadian Academy, an international school in Kobe, Japan
  • Cary Academy, a private college-preparatory school in Cary, North Carolina, United States
  • Claiborne Academy, a private school in Claiborne Parish, Louisiana, United States
  • Clarksville Academy, a private college-preparatory school in Clarksville, Tennessee, United States
  • Colorado Academy, a private college-preparatory school in Lakewood, Colorado, United States
  • Concord Academy, a private college-preparatory school in Concord, Massachusetts, United States
  • Connections Academy, an online school based in Baltimore, Maryland, United States
  • Culver Academies, a boarding school and summer camp program in Culver, Indiana, United States

In sportEdit

Other organizationsEdit

In linguisticsEdit

Mathematics, science, and technologyEdit

Biology and medicineEdit

ChemistryEdit

Mathematics and computingEdit

Other uses in science and technologyEdit

PlacesEdit

Other usesEdit

See alsoEdit