This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Lessons done at school or to be done at home.

n. Work done for school, including both in class and homework.

n. a school task performed by a student to satisfy the teacher

"Focus on your lessons and don't get distracted until your schoolwork is completed."

assignment   

prep    lesson    classwork    preparation    homework    classroom project   

jammies    skillfull    joylessness    cointegration    corkboard    electro-chemistry    compter    storybook    stalking-horse    seesaw