Standards describe what a student should know and be able to do at each grade level in all subjects. (mps.milwaukee.k12.wi.us)
State Standards explicate what students should know, understand, explain, and be able to do at each grade level in each state and in all other subjects — Science, Social Studies, Physical Education - Healthful Living, Guidance, Information - Technology - Media, World Languages, English as a Second Language, Career Technical Education, and four arts: Dance, Music, Theatre Arts, and Visual Arts. (centerforartsintegration.org)
In 2009, with funding from the Bill & Melinda Gates Foundation, the National Governors Association and the Council of Chief State School Officers formed a consortium that established the Common Core State Standards (CCSS), curricular standards that outline what students should know and be able to do at each grade level. (educationnext.org)