Compare the admission rounds
BIR has five admission rounds for 2027 entry. Thai applicants choose Inter-Portfolio 1, Inter-Portfolio 2 or TCAS 3, and applicants who are not Thai use one of two non-Thai rounds.
Responsible office BIR office, Faculty of Political Science
Last checked 17 October 2026
Updated 17 October 2026
Quick answers
- Which round is for Thai applicants?
- Inter-Portfolio 1, Inter-Portfolio 2 and TCAS 3. TCAS 3 is for Thai applicants only. Details
- How many seats are there?
- Inter-Portfolio 1 has 45, Inter-Portfolio 2 has 5, TCAS 3 has 15, and the two non-Thai rounds have 3 and 2. Details
- Can I apply in more than one round?
- You have one right to a place. Once you confirm it on myTCAS, you cannot apply in a later round. Details
On this page
BIR is the Bachelor of Political Science in Politics and International Relations (International Program) at the Faculty of Political Science, Thammasat University. For 2027 entry there are five rounds, and you apply in one of them.
The BIR website is the official source
The BIR office publishes the official admission information at birpolsci.com (opens in a new tab). Dates and requirements can change, so check that page before you apply.
Which round suits you
If you are Thai, you can apply through
- Inter-Portfolio 1, if you are in Grade 12 (Mathayom 6) or have finished it, and you have an SAT result
- Inter-Portfolio 2, if you are in Mathayom 6, have a GPAX of at least 3.75 and have a portfolio
- TCAS 3 and the BIR written exam, if you have a GPAX of at least 2.80 and want to sit the written exam
If you are not Thai, you apply through one of the two rounds in Apply if you are not Thai. TCAS 3 is for Thai applicants only.
Compare the rounds
| Round | Apply between | Seats |
|---|---|---|
| Inter-Portfolio 1 | 6 October to 6 November 2026 | 45 |
| Inter-Portfolio 2 | 6 to 24 January 2027 | 5 |
| TCAS 3 | 2 to 17 February 2027 (BIR written exam) 7 to 11 May 2027 (TCAS 3 on myTCAS) | 15 |
| Non-Thai round 1 | 6 October to 6 November 2026 | 3 |
| Non-Thai round 2 | 6 to 24 January 2027 | 2 |
Inter-Portfolio 1
- Who can apply
- Thai applicants in Grade 12 (Mathayom 6) with at least four semesters of results, or who have finished Grade 12 or equivalent.
- Apply between
6 October to 6 November 2026
- Seats
- 45
- Minimum grades
- No minimum GPAX. You need at least four semesters of results.
- Tests needed
- Official SAT result for Evidence-Based Reading and Writing, taken in the last 2 years.
- How you are chosen
- The highest SAT scores are called for an interview. The committee decides. No portfolio is needed.
- Fee
- 1,000 baht, not refundable.
Inter-Portfolio 2
- Who can apply
- Thai applicants who are in Grade 12 (Mathayom 6) now.
- Apply between
6 to 24 January 2027
- Seats
- 5
- Minimum grades
- GPAX of at least 3.75 over five semesters.
- Tests needed
- One English test result from the last 2 years. See the English test minimums.
- How you are chosen
- A portfolio that shows a social science achievement or leadership, then an interview. The committee decides.
- Fee
- 1,000 baht, not refundable.
TCAS 3
- Who can apply
- Thai applicants only. You must have finished upper secondary school, or be in your last year of it in academic year 2026.
- Apply between
2 to 17 February 2027 (BIR written exam)
7 to 11 May 2027 (TCAS 3 on myTCAS)
- Seats
- 15
- Minimum grades
- GPAX of at least 2.80 over six semesters, or an equivalent. With a GED, at least 165 in each subject.
- Tests needed
- The BIR written exam and one English test result from the last 2 years.
- How you are chosen
- The BIR written exam, then an interview. The exam is 40 percent General Knowledge in Politics and International Relations and 60 percent English essay.
- Fee
- 500 baht for the written exam.
Non-Thai round 1
- Who can apply
- Applicants who are not Thai and do not hold a Thai passport. You must be in Grade 12 with at least four semesters of results, or have finished Grade 12 or equivalent.
- Apply between
6 October to 6 November 2026
- Seats
- 3
- Minimum grades
- No minimum GPAX. Records not on a 4.0 scale need the HSCES certificates.
- Tests needed
- Official SAT result for Evidence-Based Reading and Writing, taken in the last 2 years.
- How you are chosen
- The highest SAT scores are called for an online interview in English. The committee decides.
- Fee
- 1,000 baht or 35 US dollars, not refundable.
Non-Thai round 2
- Who can apply
- Applicants who are not Thai and do not hold a Thai passport. You must be in Grade 12 with at least four semesters of results, or have finished Grade 12 or equivalent.
- Apply between
6 to 24 January 2027
- Seats
- 2
- Minimum grades
- No minimum GPAX. Records not on a 4.0 scale need the HSCES certificates.
- Tests needed
- Official SAT result for Evidence-Based Reading and Writing, taken in the last 2 years.
- How you are chosen
- The highest SAT scores are called for an online interview in English. The committee decides.
- Fee
- 1,000 baht or 35 US dollars, not refundable.
The seat numbers come from the official Thai announcement and are not on the BIR website. If a round does not fill its seats, the unfilled seats move to TCAS 3.
Rules for every round
- You must not have confirmed your right to a place in the TCAS Clearing House system before you apply.
- You have one right to a place. Once you confirm it in a round, you cannot apply in a later round, unless you give up the right through the TCAS system within the set period. You can give it up and use it again only once.
- The application fee is not refundable.
- You certify that you meet the qualifications. The BIR office can refuse an unqualified applicant on the interview day.
- The BIR committee makes the final decision at every interview.
- Successful applicants confirm their place on myTCAS (opens in a new tab) in the period set for their round.
How each round chooses students
| Round | How you are chosen |
|---|---|
| Inter-Portfolio 1 | The highest SAT Evidence-Based Reading and Writing scores are called to interview. |
| Inter-Portfolio 2 | The committee checks your portfolio against four kinds of achievement, then interviews you. |
| TCAS 3 | The BIR written exam decides, then an interview. The exam is 40 percent multiple choice and 60 percent essay. |
| Non-Thai rounds 1 and 2 | The highest SAT Evidence-Based Reading and Writing scores are called to an online interview in English. |
Next steps
- Check the key dates for 2027 entry.
- Find out which documents you need.
- Read about fees and scholarships.
Ask the BIR office
Email bir@tu.ac.th or call 02-221-6111 ext. 3409.
Related guides
- Key dates for 2027 entryApplications open on 6 October 2026. Inter-Portfolio 1 closes on 6 November 2026, Inter-Portfolio 2 on 24 January 2027, and the BIR written exam is on 21 March 2027.
- Documents you needEach round asks for certified copies of your ID, transcript, student certificate and test score, plus an ID photo. Sign and date every page you certify.
- Fees and scholarshipsThe BIR application fee is 1,000 baht for Inter-Portfolio 1 and 2, and the written exam fee is 500 baht. Tuition is in the student life guide, and scholarships come from Thammasat University.
- Common questionsAnswers to eight questions applicants ask about grades, exchange years, documents, GED scores, English tests and confirming a place.
Sources
- BIR admission 2027 (opens in a new tab)
- Inter-Portfolio 1 (opens in a new tab)
- Inter-Portfolio 2 (opens in a new tab)
- TCAS 3 admission (opens in a new tab)
- International applicants (opens in a new tab)
- Official BIR admission 2027 announcement (Thai) (opens in a new tab)
- Official BIR admission announcement for international applicants (Thai) (opens in a new tab)
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