"invaluable education" is a correct and usable phrase in written English.
It is used to describe something that has great worth or value, especially when it comes to knowledge or skills. For example, "The experience gave me an invaluable education in leadership and management."
An audience is an invaluable education.
This was not the only invaluable education I received in New York – far from it.
From experience, we have learned that corporate partnerships offer an invaluable education in how to implement business process that allow a social enterprise to operate more efficiently, and more importantly, effectively.
The chance to lurk in the busy hive of a pressroom, attend press conferences, and eavesdrop on interviews was invaluable education.
"Finally, after decades, we are having a serious conversation, and with this conversation is coming invaluable education about what politicians are actually doing," said Everitt.
"The insight, knowledge and practical experience I have gained over the last eight years as a member of the senior management team, working alongside world-renowned coaches, has given me an invaluable coaching education at the highest possible level.
As public health continues to face both new and recurring challenges, MPH programs will continue to be invaluable to the education and training of the public health workforce to meet these needs and enhance population health into the future.
In 1937, when he was 14, the tailoring industry was going through a bad patch and his parents felt that the 10 shillings a week he could earn would be invaluable; his formal education ended.
They also can provide invaluable information and education to lawmakers, regulators and the public during complex and pressing policy debates.
Strong personal relationships are an invaluable part of education, and giant classes make it difficult to foster these relationships with every student.
Comprehensive sexuality education is invaluable to young people, and must teach more than just abstinence.
