In 2024, the threshold for ensuring input quality (bank score) for admission to the Diplomatic Academy based on high school graduation exam scores ranges from 21.5 - 23.5 (depending on the admission combination).

The level of assurance of input quality is calculated on a 30-point scale, including the total score of 3 subjects of the admission combination in the 2024 High School Graduation Exam, not multiplied by the coefficient and including both regional priority points and subjects according to the regulations of the Ministry of Education and Training.
For candidates who are admitted early based on interview results, the threshold for guaranteed input quality is 12/20 points (determined based on interview results organized by the Academy).
In 2023, the diplomatic Academy admission floor score is calculated on a 30-point scale, not multiplied by the coefficient and includes priority points for regions and subjects.
For candidates admitted to the Diplomatic Academy in the groups of A00 (Math, Physics, Chemistry), D03 (Literature, Math, French), D04 (Literature, Math, Chinese), D06 (Literature, Math, Japanese), the entrance exam score is 21.
For candidates who are admitted according to block A01 (Math, Physics, English), D01 (Literature, Math, English), D07 (Math, Chemistry, English), the entrance exam score is 22.
For candidates who are admitted according to block C00 (Literature, History, Geography), the entrance exam score is 23.

For candidates who are admitted early based on interview results, the threshold for guaranteed input quality is 5/10 points.
In 2025, the school will organize entrance exams with 2,200 quotas for 8 training majors, according to 4 methods:
- Direct admission and priority admission according to the regulations of the Ministry of Education and Training
- Combined admission based on High School academic Results and International Certificates for candidates studying in Vietnam's high school program
- Admission for candidates with an A-level Certificate from the University of Cambridge Testing Center (UK) or an International Talent Certificate IBS diploma
- Admission based on the results of the 2025 High School Graduation Exam according to subject combinations (A00, A01, C00, D01, D03, D04, DD2, D06, D07, D09, D10, D14, D15)