Hello, Kathryn, and Welcome to Steemit, from a fellow teacher. ☺

Essentially, Steemit is a blogging / publishing site, which offers a great platform for those of us who like to write, who might have something to say, but who have no viable way to get our words in front of people.

(There are close to 1 million Steemers now, and that number will grow exponentially over the next little while.)

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Below are a few basic points of advice re posting on Steemit.

1 – Longer posts are more lucrative than short posts. If you make a post of 20–30 paragraphs, it's more likely to earn rewards.
2 – Include some photos, images or graphs, to complement the text.
3 – Make sure the text and photos are formatted properly, so that your post looks attractive and appealing.
4 – Be yourself.
5 – Be interesting and informative.
6 – Create quality content. Steemit is intended to be a platform of quality content. (You will see many insignificant posts with meager content and no quality. Most of those of posts [called “shitposts” by Steemit whale Stellabelle] will earn few rewards and soon pass into oblivion.)
7 – Get online and start curating. Read various posts, comment on those posts you find interesting, and upvote those posts. That’s the best way to attract followers.

Hope this helps for now. Good luck, and Full Steem Ahead!