| Advice to H.S.T. |
| Letters preceding an assumed name |
| A.E.S. and H.S.T. |
| A H.S. dropout may earn one |
| Numbers on H.S. transcripts |
| Preceding periods |
| Abbr. preceding multiple surnames |
| Abbr. usually preceding a year |
| Mrs. H.S.T. |
| H.S. class whose topics include heredity |
| H.S. dropouts' documents |
| An H.S. dropout may earn one |
| Exam for an ambitious H.S. student ... or what this puzzle has been? |
| Source of springtime stress for a H.S. student |
| Words preceding a pronouncement |
| High-level H.S. classes |
| For all grades preceding college |
| H.S. VIPs |
| Science class for ambitious H.S. students |
| After H.S.T. |
| Word often preceding "proportions |
| Sensation preceding a migraine |
| Agnus __: prayers preceding Holy Communion |
| Alternatives to H.S. diplomas |
| Part of H.S.H. |
| Agric. or H.H.S., e.g. |
| Abbr. preceding a year |
| Abbr. preceding a date |
| Amo, amas, amat" course in H.S. |
| H.S. biology topic |