Intelligent Design is similar to Creationist theories and claims that because life is so complex a higher being must be responsible for it.
But it is so controversial because critics class it as a religious teaching or philosophical debate, rather than as a scientific theory, because it cannot be tested or proved.
They fear it is simply a way of getting religious theory into school lessons disguised as science.
It is being introduced into Blue Coat's teaching by Nick Cowan, head of chemistry, who will use DVDs to put forward the theory as an alternative to the evolution theory.
The teaching pack, which also includes a manual, has been produced by the Truth in Science group.
Mr Cowan, one of the school's most respected teachers at the Wavertree school, is well known among staff and pupils for his strong religious beliefs.
He said: "Just because it takes a negative look at Darwinism is doesn't mean it is not science.
"I think to critique Darwinism is appropriate.
"There's a sense that if you criticise Darwin you must be some kind of religious nut case. We might has well have said Einstein shouldn't have said what he did because it criticised Newton."
A spokesman for the Department for Education said: "Neither Creationism nor intelligent design are taught as a subject in schools, and are not specified in the science curriculum."
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