I learned that handling behavior in a science lab is easy to do as long as the ground rules have been laid out for the students.

Is this sentence correct?

It's not clear to me what "handling behavior" is.

Never mind I figured it out. THanks

Yes, the sentence is grammatically correct. It follows a subject-verb-object structure and uses proper punctuation and capitalization. However, the sentence could be improved for clarity by adding a few words. Here's an improved version:

"I learned that handling behavior in a science lab is easy to do as long as the ground rules have been laid out for the students."

Alternatively, you could rephrase it to:

"I have learned that handling behavior in a science lab becomes easier when clear ground rules are established for the students."

But if you are specifically asking about the grammatical correctness, there is no error in the original sentence.