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  2. Hacienda La Puente Unified School District - Wikipedia

    en.wikipedia.org/wiki/Hacienda_La_Puente_Unified...

    The Hacienda La Puente Unified School District (HLPUSD) is a school district located in Southern California.It is the largest school district in the east San Gabriel Valley in terms of student population, serving 20,000 students from the unincorporated community of Hacienda Heights, portions of the cities of Industry, La Puente and West Covina and portions of the unincorporated communities of ...

  3. Blackboard Inc. - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Inc.

    Providence Equity Partners Veritas Capital. Website. blackboard.com. Blackboard Inc., now Anthology is an American educational technology company with corporate headquarters in Boca Raton, Florida. Blackboard was known for Blackboard Learn, a learning management system. [4] Blackboard Inc. merged with Anthology in late 2021.

  4. Blackboard Learn - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Learn

    Blackboard Learn (previously the Blackboard Learning Management System) is a web-based virtual learning environment and learning management system developed by Blackboard Inc. The software features course management, customizable open architecture , and scalable design that allows integration with student information systems and authentication ...

  5. Los Altos High School (Hacienda Heights, California) - Wikipedia

    en.wikipedia.org/wiki/Los_Altos_High_School...

    Website. lahs-hlpusd-ca .schoolloop .com. Los Altos High School is a comprehensive four-year public education high school located in the bedroom community of Hacienda Heights, California, United States, in eastern Los Angeles County. It should not be confused with the Los Altos High School located in the city of Los Altos, California.

  6. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    Chalkboard scraping. Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its ...

  7. La Puente High School - Wikipedia

    en.wikipedia.org/wiki/La_Puente_High_School

    La Puente High School. /  34.025°N 117.956°W  / 34.025; -117.956. La Puente High School is a public high school in La Puente, California, located in the San Gabriel Valley, serving grades 9–12. It was established in 1915. It is one of six high schools (including two alternative schools) in the Hacienda La Puente Unified School District.

  8. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  9. WebCT - Wikipedia

    en.wikipedia.org/wiki/WebCT

    WebCT (Course Tools) or Blackboard Learning System, [1] now owned by Blackboard, is an online proprietary virtual learning environment system that is licensed to colleges and other institutions and used in many campuses for e-learning. To their WebCT courses, instructors can add such tools as discussion boards, mail systems, and live chat ...