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  2. Texas Essential Knowledge and Skills - Wikipedia

    en.wikipedia.org/wiki/Texas_Essential_Knowledge...

    Texas Essential Knowledge and Skills (TEKS) are the state standards for the US state of Texas public schools from kindergarten to year 12. [1] They detail the curriculum requirements for every course. State-mandated standardized tests measure acquisition of specific knowledge and skills outlined in this curriculum. It is also used in ...

  3. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    Orders of magnitude (time) An order of magnitude of time is usually a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years. In some cases, the order of magnitude may be implied (usually 1), like a "second" or "year". In other cases, the quantity name implies the base unit ...

  4. Sandy Hook Elementary School shooting - Wikipedia

    en.wikipedia.org/wiki/Sandy_Hook_Elementary...

    On December 14, 2012, a mass shooting occurred at the Sandy Hook Elementary School in Newtown, Connecticut, United States.The perpetrator, 20-year-old Adam Lanza, shot and killed 26 people. 20 of the victims were children between six and seven years old, and the other six were adult staff members.

  5. List of counties in Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_counties_in_Texas

    Annexed in 1897 to Brewster County. Dawson County, formed in 1858 in what is now Kinney County and Uvalde County and abolished in 1866 (not to be confused with the present-day Dawson County). Encinal County, formed in 1856. Abolished in 1899 and annexed to Webb County. Foley County, formed in 1887 from Presidio County.

  6. List of school shootings in the United States (2000–present ...

    en.wikipedia.org/wiki/List_of_school_shootings_in...

    This chronological list of school shootings in the United States since the year 2000 includes school shootings in the United States that occurred at K–12 public and private schools, as well as at colleges and universities, and on school buses. Excluded from this list are the following: Incidents that occurred as a result of police actions

  7. Lyndon B. Johnson - Wikipedia

    en.wikipedia.org/wiki/Lyndon_B._Johnson

    At 15, Johnson was the youngest in his class. Pressured by his parents to attend college, he enrolled at a "sub college" of Southwest Texas State Teachers College (SWTSTC) in the summer of 1924, where students from unaccredited high schools could take the 12th-grade courses needed for admission to college. He left the school just weeks after ...

  8. List of presidents of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Presidents_of_the...

    Since the office was established in 1789, 45 men have served in 46 presidencies. The first president, George Washington, won a unanimous vote of the Electoral College. [4] Grover Cleveland served two non-consecutive terms and is therefore counted as the 22nd and 24th president of the United States, giving rise to the discrepancy between the ...

  9. List of people executed in Texas, 2020–present - Wikipedia

    en.wikipedia.org/wiki/List_of_people_executed_in...

    The following is a list of people executed by the U.S. state of Texas since 2020.To date, 23 people have been executed since 2020. All of the people during this period were convicted of murder and have been executed by lethal injection at the Huntsville Unit in Huntsville, Texas.