Calamba Institute is a private school in Brgy. Halang, Calamba City that offers Pre-elementary, Elementary, and High School courses. The school has two separate buildings located at Chipeco Ave. The first building is for junior high school & senior high school that has sections rooted from several flowers and the second building is for pre-elementary and elementary. The school is one of the most reputable in the city[according to whom?], with 28 students passing the UPCAT in S.Y. 2010-2011. The school has also lots of awards and certificates in journalism.[citation needed] The school also has complete enough school facilities to support student's needs. The school also has fully air-conditioned rooms to make the students comfortable as they learn.

Calamba Institute's students are often called "CIER'S". The student publication of the school is also named after this pseudonym.

Dr. Livia Q. Perilla, Ph.D. is the current[when?] principal of the High School Department, and Mrs. Dolores Saquito is the current[when?] Elementary and Pre-Elementary Principal.