It's my opinion that this kind of phrase can sound unnatural if we translate directly because of the cultural differences, but I think that this is a pretty solid equivalent. Clutivating and Fostering are both appropriate here and you also have the choice of slack or leeway as alternatives for "Freedom" amongst others that have the exact same meaning, but I think that "Freedom" even though not an exact translation is what a native speaker would use in this case. Good luck!

Just another stab at it. I agree with Ruth that this is quite difficult to take as a single direct translation. Depending on the culture of the translation audience, they will have a different perspective of what "ikiru chikara" means.

I think this is a bit more literal than Ruth's, but not necessarily better...

I agree with Ruth and dosanko...It cannot be translated literally.

In my dictionary, "yutori no aru kyouiku" is described as "education that aims at development of individual talent rather than learning by rote."

It is an education that gives growth of individual capabilities and talent without merely memorizing facts and figures (which was the old-fashioned way).

In the extensive Kumon vocabulary list "ikiru chikara" means "life skills." And, developing "life skills" is a vital part of education.
(I often interpret at Kumon conferences and am required to use these terms.)

I think it means, "Don't rest on your laurels"