Tawa College currently has 10 classroom blocks: A Block, B Block, C Block, D Block, E Block, F Block, H Block, J Block, S Block, and T Block. Tawa College used to have two more blocks: G and K blocks, these are both out of use and scheduled for demolition. K block is being demolished for its high-risk asbestos, and G block for the extension of State Highway one, which is adjacent to it. Like many New Zealand secondary schools of the era, the school was constructed to the
Nelson Two-Storey standard plan, distinguished by its two-storey H-shaped classroom blocks. Tawa College has three of these blocks: B block, C block, and D block. A Block is the foods, dance, woodwork and art block (along with Te Reo Māori in the PTA center). B Block is home to social studies classes as well as: psychology, history, geography, science and more. C Block is home to english, science, computer labs and more. D Block's classrooms includes: English, maths, maths offices, science and more. E Block is the language block with Japanese and French. F Block is the drama block with a miniature theatre which was recently revamped with the help from Nick Brown, HOD of Drama and Dance. G Block is a one story block which spans around the netball and basketball courts with all sorts of classrooms. H Block is the music block with: three studios, two music classrooms, a music office, a big music space, the school hall. J Block is the science block with two science classrooms. K Block is the retired kindergarten recently purchased by Tawa College and is currently used if there are no available classrooms. S Block is the special learning block for people with special learning needs. ==Uniform==