This is an all-purpose warm-up and stretch aimed at all students beginning through advanced, done lyrical style in the center rather than at the barre. Since I, as an advanced beginner, had no problem with it, it's probably more appropriate for beginner and intermediate students than advanced. Ms. Hammond shows the movements then has 2 students do them to music while she provides coaching on proper execution.
I found the video to be a good do-along, covering the basics of technique: isolations, plies, releves, tendus. Plus it incorporates nice, relaxed, swingy, stretch movements which get you going without wearing you out. For me, some of the longer, more vigorous warm-up videos are really a complete work-out, leaving no strength to follow up with combinations.
The warm-up is followed by 3 across-the-floor combinations which I could not try out because, with a home-repair project in progress, my living room has ladders, tools, materials, etc. all over the place and I barely have room to practice tendus. But just marking the movements I'd say combinations 2 and 3 were doable at my level with a little practice. Combination 1, practicing turns, has two segments, the first of which is on an easy level. It can be made much harder by adding the second segment which has enough additional quick turns that it provides a challenge for intermediate students.
I do wish there were also a combination segment incorporating some of the movements from the warm-up and across-the-floor, making this into a complete class. But maybe an appropriate combination is on "Dance4Teachers - Jazz Special Edition II w/Andrea Hammond" which I just added to my rental queue.