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  2. Achievement gaps in the United States - Wikipedia

    en.wikipedia.org/wiki/Achievement_gaps_in_the...

    v. t. e. Achievement gaps in the United States are observed, persistent disparities in measures of educational performance among subgroups of U.S. students, especially groups defined by socioeconomic status (SES), race / ethnicity and gender. The achievement gap can be observed through a variety of measures, including standardized test scores ...

  3. Racial achievement gap in the United States - Wikipedia

    en.wikipedia.org/wiki/Racial_achievement_gap_in...

    The racial achievement gap in the United States refers to disparities in educational achievement between differing ethnic/racial groups. [1] It manifests itself in a variety of ways: African-American and Hispanic students are more likely to earn lower grades, score lower on standardized tests, drop out of high school, and they are less likely to enter and complete college than whites, while ...

  4. Textbook - Wikipedia

    en.wikipedia.org/wiki/Textbook

    Textbook. Textbooks written in Pashto distributed to Afghan school children. A textbook is a book containing a comprehensive compilation of content in a branch of study with the intention of explaining it. Textbooks are produced to meet the needs of educators, usually at educational institutions.

  5. Education in the United States - Wikipedia

    en.wikipedia.org/wiki/Education_in_the_United_States

    In the United States, education is provided in public and private schools and by individuals through homeschooling. State governments set overall educational standards, often mandate standardized tests for K–12 public school systems and supervise, usually through a board of regents, state colleges, and universities.

  6. List of Nikola Tesla patents - Wikipedia

    en.wikipedia.org/wiki/List_of_Nikola_Tesla_patents

    Patents #1–#50. U.S. patent 334,823 - Commutator for Dynamo Electric Machines - 1886 January 26 - Elements to prevent sparking on dynamo-electric machines; Drum-style with brushes. U.S. patent 335,786 - Electric Arc lamp - 1886 February 9 - Arc lamp with carbon electrodes controlled by electromagnets or solenoids and a clutch mechanism ...

  7. Income inequality in the United States - Wikipedia

    en.wikipedia.org/wiki/Income_inequality_in_the...

    Hollowing out of the middle class refers to its loss in income share beginning with Reaganomics. [288] [289] [290] The middle class is defined as the middle 20% of the income distribution, i.e. those between the 40th and 60th percentile. In 1980 the middle class earned 17% of total income in the United States.

  8. Educational inequality in the United States - Wikipedia

    en.wikipedia.org/wiki/Educational_inequality_in...

    Unequal access to education in the United States results in unequal outcomes for students. Disparities in academic access among students in the United States are the result of several factors including: government policies, school choice, family wealth, parenting style, implicit bias towards the race or ethnicity of students, and the resources available to students and their school.

  9. The Color of Law - Wikipedia

    en.wikipedia.org/wiki/The_Color_of_Law

    The Color of Law. The Color of Law: A Forgotten History of How Our Government Segregated America is a 2017 book by Richard Rothstein on the history of racial segregation in the United States. The book documents the history of state sponsored segregation stretching back to the late 1800s and exposes racially discriminatory policies put forward ...