C0deEX
Private
C0deEX is an after-school coding and robotics center in Acton (with Maynard and Lexington sites) offering summer and vacation camps for kids ages 6–18. Campers learn programming through popular games like Roblox, Minecraft and Unity, hands-on languages such as Python and Java, and FIRST LEGO League robotics from early elementary through middle school. Located at 133 Great Rd, Acton.
The practical details
We list only what the camp itself publishes, and programs change — dates, prices, ages and availability can all move after we check. Confirm the details on the camp’s own website and contact C0deEX directly before you register or pay. Last checked August 2026.
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★★★★Jessica TeagueMy son enjoys the coding classes at C0deEX and is progressing in his coding skills. There is a small student to teacher ratio so he gets personalized attention and instruction. Proactive communication regarding schedule changes (holidays, end date) is somewhat lacking.
★★S BackupsI see the owner response today…that’s just absurd of course we used the program. 😑 So clearly “c0dex” doesn’t take feedback well as why would somebody bother looking you up on Google if my kids haven’t ever done your programs? We’re disappointed her school opted for this for the spring. Will be communicating that to school!
★★★★★Nadezda BelousMy daughter has enjoyed COdeEX School summer camp, especially with the Zero Robotics program and math sessions. The staff and management are welcoming and supportive, and the math instructor has created a lively and engaging introduction to basic algebra. I highly recommend COdeEX to any parent seeking a fun and interactive way to spark their child’s interest in STEM.
★★★★★Srinivasa MedavarapuMy son really loves C0dEX classes as they are very fun. The class size is small and classes very engaging. They do fun projects that creates love of coding for kids. My son enjoyed Scratch classes and was looking forward to his class every week. Now he also started his Python classes with C0dEX. C0dEX team is very accommodating in terms of timings and any missed sessions. Highly recommend C0dEX!!
★★★★★Rebecca ConnollyComparing this to other coding classes we give Codex an A+. Their instruction comes across personalized and they aren’t following a prescribed manual allowing the students to progress as they are ready. They group the students by experience allowing the students to work and progress together at the same rate. There isn’t a high turn over of instructors and that really helps with building student rapport. They have a long term plan on how your child will progress so they don’t get bored or run out of things to learn. My child enjoys the virtual class because he’s learning with kids around the US.