onyx education website


& Training

:: Online courses for academic, personal & professional success ::



diversity in workplace writing class

Affordable Online Classes

  • No waiting. Classes and all course materials are available now, 24/7.

  • Receive a certificate of completion.

  • Learn at your own pace.

  • Ask the instructor your questions and engage with other students on the discussion board.

  • Lifetime access to most courses for individual learners.


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Upgrade Your Writing Skills

  • Our books and classes are designed to complement each other to help you quickly improve your grammar and writing skills.

  • Practice proofreading & copyediting with our original workbooks.



Proofreading Books & Classes

  • Whether for passion, profit or personal enrichment, learn the skills you absolutely need to become an effective proofreader.

  • Affordable proofreading resources for every budget:

    • Online proofreading classes​

    • Proofreading books

    • Proofreading workbooks


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Business & Group Training

  • Instead of a one-day workshop that interferes with the workday, enroll your group for professional writing courses online.

  • Enrolled participants can access the class from anywhere at any time outside of work hours and physical work location.

  • Eliminate distractions and allow participants to learn at their own pace.

  • No waiting. Classes and all course materials are available now, 24/7.

  • No software to download. Classes are completely web-based.

  • If your company does not offer in-house training for writing, grammar, proofreading or public speaking, then our classes are the right option for you! 


merch for writers

Shirts, Bags, Mugs & Notebooks

  • Find your favorites!

  • We offer apparel for every style & personality.

  • We celebrate English teachers, students & writers of all ages.


After years of serving students and professionals as a college English instructor, Ashan R. Hampton established a specific business container for her online classes and books called Onyx Online Education & Training as a branch of her long-established company, Cornerstone Communications LLC. Since she knows firsthand the importance of writing skills in the workplace and the classroom, Professor Hampton researched, designed and produced a broad range of online classes covering grammar, business writing, proofreading, grant writing, and digital media for personal and professional success. Given the extent of her distinguished academic career and professional work experience, students can rest assured that they are receiving the best instruction from a proven subject matter expert.