There are Some of Teacher Appreciation Day ideas, about how to appreciate your Teachers :

Write for Your Teacher :

Write poems, letters, or notes of appreciation and leave them in teachers' mailboxes. Read them at morning assembly or in the claasroom.

Make Notes :

Write teachers notes like "Well done", "Thank You"," You Are The Best", "You Are Appreciated", etc. Put them on the desk of your teacher before he/she comes to the class.

Prepare Souvenirs :

Print your teacher's names on coffee mugs, T-shirts, schoolbags, etc or to commemorate the efforts put in by your teachers.

Organize Breakfast :

Order patties, pastries, coffee and other breakfast items one day before Teacher's Day. Arrive in the school early. Receive the foodstuff yourself in the morning and set up the whole breakfast before your teacher's arrival.

Decorations :

Decorate the staff room and the hallways of the school for Teacher's Appreciation Day.

Flower Shower :

Make a student stand at the entry gate before the teacher's arrival. Shower the teachers with flowers when they enter the school.

Adopt - A - Teacher :

Organize an event in which parents and administrators cover teachers' classrooms for an hour during lunch so that they can enjoy a meal outside of their classrooms.

Home Made Homeroom Gifts :

Have each teacher's homeroom class decorate a shoe box or flowerpot that the teacher can use to store special notes, cards, gifts, and other treasures.

E-mail :

During computer class, send your teachers thank you notes via e-mail.

Dress Up :

On Teacher Appreciation Day, dress up as your favorite teacher. Ask him/her to take sometime off and take the class that he/she was supposed to take. But, don't forget to take prior permission from your principal for this.