Louis

1. a male given name
2. a surname originating as a patronymic

doit

third-person singular present indicative of devoir: must, has to

la

• Article

  the (definite article)

• Pron
• Noun

de

• Prep

  1. of (expresses belonging)
  2. of (used to express property or association)
  3. from (used to indicate origin)
  4. of (indicates an amount)
  5. used attributively, often translated into English as a compound word
  6. from (used to indicate the start of a time or range)
  7. used after certain verbs before an infinitive, often translated into English as a gerund or an infinitive
  8. by (indicates the amount of change)

• Article
• Noun

sa

his, her, its, their, one's

scolarité

1. schooldays, college years/days (period of one's life when one attends grade school or post-secondary)
2. the duration of one's studies in grade school or post-secondary; period of enrolment

aux

Contraction of à + les ('to the' or 'of the')

bourses

plural of bourse