Liljenroth was accepted as a pupil after having excelled in a test where she gave proof of high academic knowledge in the sciences and Latin.
The same term, she gave a public speech to the school and several other important guests about the return of King Gustav III of Sweden from his travels abroad and about the birth of the Crown Prince.
[1] On 2 November 1788 Aurora Liljenroth gave her graduation talk in French and graduated in "all sciences" with the highest honors and the recommendation that she had the ability to "explain both Cornelium and Ovidium with greater ease and further understanding of the Latin language than other students"[1] As a person, Aurora Liljenroth were described as shy and introvert, and she reportedly disliked the attention she attracted[1] Her relation to her father was described as tense as he, reportedly, neglected her in private and had her displayed as a "parade doll" in public.
[1] When she was included in an encyclopedia about women, she was deeply bothered, and when asked whether she was "the learned mademoiselle Liljenroth", she usually answered that the latter was her now deceased sister.
Aurora Liljenroth was included in the encyclopedia of Carl Westrin: "Försök till en historia öfver namnkunniga men i synnerhet lärda fruntimmer" (Attempts to a history over known but especially learned females) in 1793.