This is a basic user profile that can be used with students or adults. This profile was used at the 2018 Sun West Triad Retreat.

This package includes descriptions of all the items you may include in your learner profiles including: Enneagram Types, Myers Briggs. True Colours, MI and Learning Styles.

This test takes about 12 minutes and will tell you your Myers Briggs personality type.
(Introverted or extroverted etc)

Explore careers for your personality type and personalities more prominent in different areas of the world.

A wealth of online personality tests for free. These may be some of the tests you wish to consider doing with older students as part of their learner profiles. Consider doing the Jungian Scales/Myers Briggs. The brain dominance, temperament quiz and memory test are also very interesting.

This website has been used to develop a number of open-source psychological tests. All are availible under a creative commons licence. This is the full list of such tests, not all have been finalized:

Open Extended Jungian Type Scales (documentation) * Myers Briggs
Open Hemispheric Brain Dominance Scale (documentation)
Open Enneagram of Personality Scales
Exposure Based Face Memory Test

For other open source measures, try the International Personality Item Pool.

These are some options you may want to consider for student learner profiles for older students - especially the Jung/Myers Briggs and Enneagram scales.