How do you say sigues estudiando in English?

The most natural and common way to say "sigues estudiando" in English is "Are you still studying?"

Here are some other possible translations, depending on context:

* "Do you continue to study?" (more formal)

* "Are you continuing your studies?" (more formal)

* "You're still studying, right?" (informal)

* "You're still in school, aren't you?" (informal)

The best translation will depend on the specific situation and the level of formality required.