The Rules of Monster High is a collection of fifty short sentences of advice that are part of the "We Are Monster High" promotion that Monster High utilized from Mid 2013 to 2014. Each of the rules is associated with a character, and the rules can be found in various media, like in commercials, on Twitter and Facebook, and on the "We Are Monster High" section of the Monster High website. By far not all the rules have been made public yet.
Rules[]
| Number | Rule | Character |
| 01 | Don't go batty trying to impress others. Be yourself. | Draculaura |
| 02 | Celebrate the UHHH-mazing uniqueness of others | Ghoulia Yelps |
| 03 | Never forget your hopes and screams. | Clawdeen Wolf |
| 04 | Always rule with fashionably fierce flare. | Cleo de Nile |
| 05 | Watch over your friends—even when they don't think they need someone to lurk out for them. | Rochelle Goyle |
| 06 | Sometimes you just have to chill. | Abbey Bominable |
| 07 | Be a team player. Remember, we're in it together. | Clawd Wolf |
| 08 | Don't judge a ghoul by what type of monster she is. Get to know her—on the inside. | Lagoona Blue |
| 09 | Keep 'em in stitches and always lend a hand. | Frankie Stein |
| 10 | Sometimes you have to study; sometimes you have to rock! | Jackson Jekyll & Holt Hyde |
| 11 | Be frightfully aware of the world you live in. It's scary-cool to respect the environment... and other monsters. | Venus McFlytrap |
| 12 | Share your school spirit! Together, "We Are Monster High!" | Spectra Vondergeist |
| 13 | Always be open to freaky fab friends. | Frankie Stein |
| 14 | ||
| 15 | ||
| 16 | ||
| 17 | ||
| 18 | ||
| 19 | ||
| 20 | ||
| 21 | ||
| 22 | ||
| 23 | ||
| 24 | ||
| 25 | ||
| 26 | ||
| 27 | ||
| 28 | ||
| 29 | ||
| 30 | ||
| 31 | ||
| 32 | ||
| 33 | ||
| 34 | ||
| 35 | Imperfect is totally perfect. | ??? |
| 36 | ||
| 37 | ||
| 38 | ||
| 39 | ||
| 40 | ||
| 41 | ||
| 42 | ||
| 43 | ||
| 44 | ||
| 45 | ||
| 46 | ||
| 47 | ||
| 48 | ||
| 49 | Be fashionably fierce! | Clawdeen Wolf |
| 50 |