The teacher emoji 🧑🏫 in texting usually signals one of two things:
1) You're appreciating or complimenting the recipient's knowledge or expertise on a topic. It's a way to show respect for their skills and experience as an educator.
2) You're asking the recipient for guidance, advice, or help in understanding something. It's a subtle way to position them as the knowledgeable one and yourself as the student seeking their expertise.
The meaning can differ depending on context - from a romantic partner, it may be flirty and playful, while with a friend or coworker it's more straightforward. But overall, the teacher emoji conveys a sense of reverence for the recipient's intelligence and teaching abilities.
