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Computer Science

University of Waterloo
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Overview
University of Waterloo Bachelor of Computer Science uses a competitive, supplement-plus-grades process rather than a portfolio-based one. Academics and the required written supplementary forms are the core evaluative factors; official grade thresholds vary by school system worldwide, while English tests are conditional and general entrance tests such as SAT/ACT are not required.

Admission criteria

PortfolioLow

This program does not review external portfolios or project links as a formal admission component. Waterloo states that links to portfolios will not be reviewed, although applicants may briefly describe projects, contests, or awards inside the Admission Information Form.

Bar to clear: Not used by this program

Statement of PurposeHigh

The required Admission Information Form (AIF) functions in place of a personal statement or essay for all Computer Science applicants, and the Supplementary Information Form is also required. Waterloo uses these forms to distinguish among many applicants with similar excellent grades and looks for interests, extracurricular involvement, community contribution, goals for Waterloo, and context around the application.

Bar to clear: Required AIF plus required SIF, completed thoughtfully and fully

Academics & GPAHigh

Grades are a decisive factor. Waterloo publishes competitive academic thresholds by curriculum and says selection is individual but highly competitive. For Computer Science, strong math preparation is mandatory and the posted academic bars are high across systems, such as low-to-mid 90s for Ontario, 90% overall for US-system applicants, 32 IB points with HL Analysis and Approaches 6, or 85% overall in Indian Standard XII with 90% in required subjects.

Bar to clear: At least the published curriculum minimums; Ontario low-to-mid 90s is the clearest competitive bar

Test scoresLow

There is no general entrance-test requirement for this program: SAT and ACT are explicitly not required, and Waterloo math contests are encouraged but optional and mainly help borderline applicants. English-language test scores matter only for applicants who do not qualify for an English-study exemption, in which case minimum official scores must be met.

Bar to clear: If English proof is required: IELTS Academic 6.5 overall or TOEFL minimum equivalent; otherwise general test scores are not used

Application components

Admission Information Form (AIF)Supplementary Information Form (SIF)Transcript / school grades / predicted gradesEnglish-language test report (if required)
How to stand out
Treat the AIF as a real admissions essay substitute: answer concretely, show sustained interests, and explain impact rather than listing activities.
Prioritize top grades in required math and English courses, because Waterloo publishes high academic bars and CS is individually selected from a very strong pool.
If available to you, take Waterloo math/computing contests such as Euclid or CSMC; they are optional but can strengthen a borderline application.
Do not spend time building an external portfolio for review, because Waterloo says links to portfolios are not reviewed.
If you may need English proof, sit IELTS or TOEFL early enough to meet document deadlines and aim to clear the published minimums comfortably.
Source confidence
90%Well sourced
Sources
Applying and admissions | Cheriton School of Computer Science | University of Waterloo
uwaterloo.ca/computer-science/future-undergraduate-students/applying-admissions
Official CS admissions page: low-to-mid 90s Ontario range; AIF required in place of essays; SIF required; contests optional but can help borderline applicants.
Admission Information Form (AIF) and other supplementary forms | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/admissions/admission-information-form
Official supplementary-form page: AIF and SIF required for Faculty of Mathematics; forms used because of high volume and to assess well-rounded students; portfolio links are not reviewed; AIF question themes listed.
Computer Science degree | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/programs/computer-science
Official program page: supplementary forms required and math/computing contests strongly encouraged to enhance admissions status.
Computer Science admission requirements for Ontario high school students | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/admissions/admission-requirements/computer-science/high-school/domestic/ontario
Official Ontario requirement page: prerequisite courses and individual selection from the low to mid-90s.
Computer Science admission requirements for American (US) system high school students | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/admissions/admission-requirements/computer-science/high-school/international-system/american-system
Official US-system requirement page: AP Calculus 4, minimum overall Grade 12 average 90%, SAT/ACT not required.
Computer Science admission requirements for International Baccalaureate (IB) high school students | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/admissions/admission-requirements/computer-science/high-school/international-system/ib
Official IB requirement page: HL Analysis and Approaches minimum 6 and total 32; supplementary forms required.
Computer Science admission requirements for Indian system high school students | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/admissions/admission-requirements/computer-science/high-school/international-system/indian-system
Official Indian-system requirement page: 90% in required Standard XII subjects and 85% overall; evaluated using 10th, 11th, and predicted 12th results.
English language requirements | Undergraduate Programs | University of Waterloo
uwaterloo.ca/future-students/admissions/english-language-requirements
Official English-test page: when scores are required and minimum IELTS/TOEFL/PTE/Cambridge thresholds.
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