It is one word because the question says schoolwork so it is correct.
schoolwork is a compound word
One sentence for the word undoubtedly is; She undoubtedly left her schoolwork on the bus.
yes
Schoolwork is a word that describes any assignments or lessons done for school. This can include doing lessons in class or homework that one completes at home.
Yes, the noun 'schoolwork' is an abstract noun, a word for all aspects of activities related to a school education; a word for a concept.
Both "schoolwork" and "school work" are correct, but "schoolwork" is more commonly used as a single word to refer to academic assignments and tasks given to students to complete outside of regular class time.
homeschool schoolwork
housework, homework, schoolwork, roadwork, ...
The amount of schoolwork and other things he had going on was stressful
to learn
They are brainless!
Yellow pages will definitely be a good resource and a starting point to get to know about any information pertaining to tutoring centers and any other information pertaining to those schoolwork's.