2001 civic overheating?

I have a 2001 honda civic 1.7L SOHC VTEC. I changed the timing belt, water pump, radiator w/fans, thermostat, head gasket, but the car is still overheating. Main issue I'm having that is noticeable is that coolant keeps on bursting out of the radiator like a volcano; (bubbling) with the fan kicking in. It doesn't cool down. Any help will be appreciated.

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