Bachelor of Science [B.S] [Computer Science and Astronomy] From University of Illinois

University of Illinois Urbana-Champaign Bachelor of Science (B.S.) Computer Science and Astronomy is a four-year, full-time undergraduate degree combining computational methods with observational and theoretical astrophysics. Eligible international students must score TOEFL 100 iBT (or IELTS 7.5) and hold a GPA of 3.0 minimum. Total annual cost ranges from US$58,616 to US$68,966 (INR 55.93 Lakhs to INR 65.75 Lakhs), including tuition, living expenses, and health insurance. Fall intake deadline is 2026-05-15. STEM-designated programme offers exceptional hands-on research access and a curriculum bridging software engineering with astrophysics.

This dual-degree programme distinguishes itself by integrating advanced programming and algorithms with observational techniques, making graduates competitive for careers in data science, research software engineering, and space tech. UIUC’s Astronomy Department ranks #7 globally and #1 in Illinois; Computer Science ranks #12 globally and #9 in the USA. The programme attracts strong international cohorts and provides robust employer connections across tech and research sectors. Ideal applicants combine coding proficiency with genuine curiosity about celestial systems and are prepared for rigorous coursework in both disciplines.

• Strong dual-degree curriculum combining two high-demand STEM fields with integrated project work.
• Access to campus observatories, computing clusters, and faculty mentorship in both computer science and astronomy research.
• Median graduate salary of US$124,530 (INR 11.88 Lakhs) for bachelor-degree computer scientists, with clear pathways to advanced roles and further study.

Also Check: University of Illinois Computer Science Admission

University of Illinois Computer Science and Astronomy Fees and Living Costs 2026

UIUC charges international undergraduates a combined tuition and fee package. Annual costs break down as follows:

All INR conversions in the article use a conversion rate of USD 1 = INR 95.31 as of June 2026. Rates fluctuate daily; verify before applying.

• Tuition increases annually; international students pay the same rate regardless of programme choice or residency status.
• Student fees cover library services, technology access, campus facilities, and student organization support.
• Health insurance is mandatory; the estimated cost covers basic coverage through UIUC-partnered providers.
• Computer Science and Astronomy lab fees are bundled into the standard student fee structure.

Cost of Living in Urbana-Champaign for Computer Science and Astronomy Students

Tip for Indian students: On-campus housing fills quickly; book in your first year to lock in lower rates. Off-campus shared apartments average US$400-500 monthly and reduce living cost variability. Many CS students secure paid internships (US$15-17 hourly) covering 30-50% of their living expenses.

Read More: Cost of Living in the USA

University of Illinois Computer Science and Astronomy Admission 2026

UIUC admits international undergraduates through a holistic review process emphasizing academic records, standardized test scores, and demonstrated interest in computing or astronomy. The programme requires strong quantitative backgrounds and programming aptitude.

Academic Eligibility

Bachelor-degree applicants must hold a secondary school diploma (or equivalent) with strong performance in mathematics, physics, and computer science coursework. A minimum GPA of 3.0 (on a 4.0 scale) is required; competitive applicants typically hold 3.5 or higher.

UIUC ranks #70 globally (QS 2026) and #22 in the USA, reflecting consistent excellence across science and engineering programmes. For Computer Science specifically, UIUC ranks #12 globally and #9 in the USA, placing it among top-tier institutional research hubs.

English Language Proficiency (ELP) Requirements

All international applicants whose secondary education was not conducted in English must demonstrate proficiency via standardized testing. TOEFL and IELTS are the primary accepted formats; Duolingo English Test is also accepted if scores meet threshold minimums.

• TOEFL 100 is achievable for competent English speakers with 8-12 weeks of focused preparation; Indian applicants often target 105-110 for safety margin.
• IELTS 7.5 typically requires 10-14 weeks of study; 6.5 per-component minimum ensures no single weakness drags the overall score below threshold.
• Many top Indian coaching centres (TIME, FIITJEE, IMS) offer TOEFL/IELTS preparation modules integrated into their JEE/Board curriculum; starting prep 3-4 months before test date is recommended.

Honest take: Indian students with strong academic records but borderline English proficiency should take the test twice (one sit-in June, retake in July if needed) rather than rush a single attempt. UIUC does not recalculate scores; submit your best single test result.

University of Illinois Computer Science and Astronomy Application 2026

UIUC uses the Common Application platform for international undergraduate admissions. All supporting documents (transcripts, test scores, recommendations) are submitted through the portal. The application fee is non-refundable.

• Applications received after the standard deadline are reviewed on a rolling basis subject to programme capacity; admit rates drop sharply after May.
• International credential evaluation via WES takes 2-4 weeks; initiate this process 6 weeks before your intended deadline.
• Recommendation letters should come from math or science teachers familiar with your CS or astronomy coursework and coding projects.

Application tip: UIUC does not require standardized test scores (SAT/ACT) for Fall 2026 international applicants, but submitting strong scores (1350+ SAT, 30+ ACT) materially strengthens your profile, especially if your GPA is below 3.5.

University of Illinois Computer Science and Astronomy Scholarships 2026

UIUC awards merit-based scholarships to international undergraduates based on academic record, test scores, and demonstrated leadership. Scholarship awards are competitive and typically offset 15-40% of annual cost of attendance for strong applicants.

Average aid awarded to international CS undergraduates at UIUC is approximately US$22,060 (INR 21.05 Lakhs) annually. For a student paying US$68,966 in total annual cost, a US$22,060 scholarship reduces out-of-pocket cost to approximately US$46,906 (INR 44.70 Lakhs) per year, or US$187,624 (INR 1.79 Crore) over four years before living expense loans or parental support.

• Merit-based scholarships are automatic if you meet threshold academic criteria; no separate application required beyond the admission portal.
• Indian students with strong scores (GPA 3.7+, TOEFL 105+, SAT 1400+) are competitive for Presidential or Illinois Commitment awards.
• No aid is awarded for post-baccalaureate study at UIUC; scholarships apply to undergraduate degree only.

Scholarship reality: Even with a US$15,000 annual scholarship, the out-of-pocket cost remains substantial for most Indian middle-class families. Plan for loans, educational credit lines, or employer sponsorships as primary funding sources alongside family savings.

Check Out: University of Illinois Scholarships for International Students

University of Illinois Computer Science and Astronomy Salary 2026

Computer Science graduates from UIUC earn a median salary of US$124,530 (INR 11.88 Lakhs) in their first decade of employment. Those who pursue a master’s degree earn a median of US$146,670 (INR 13.98 Lakhs) annually, reflecting the high demand for advanced skills in software engineering, machine learning, and research roles.

Source: UIUC College Factual data (2024-2025 employment outcomes); US Bureau of Labor Statistics occupational outlook.

• Starting salary for new UIUC CS bachelor-degree graduates averages US$81,535 (INR 7.77 Lakhs), with 7% annual growth year-over-year in the tech sector.
• Dual Computer Science and Astronomy graduates often earn at the higher end of the CS range due to specialization in high-demand sectors like space technology, climate modeling, and astronomical data pipelines.
• Take-home salary varies by state income tax (Illinois has no state income tax on wages, reducing burden compared to California or New York). Federal withholding typically reduces gross by 20-25% for single filers.

ROI reality: Total four-year investment of approximately US$187,624-200,000 (INR 1.79-1.91 Crore) breaks even within 18-24 months post-graduation for CS roles; by age 30, UIUC CS graduates typically earn cumulative salaries 3-4x their degree cost.

Read More: Post-Graduation Work Visa and Career Pathways in the USA

USA Student Visa and Work Rights for Computer Science and Astronomy Graduates

International Computer Science and Astronomy students from India studying at UIUC are sponsored for an F-1 Student Visa, which permits full-time study and specified on-campus employment during the academic year. Upon graduation, graduates are eligible for Optional Practical Training (OPT), a post-study work authorization that permits full-time employment in the USA for 12 to 29 months, with potential extension for STEM-designated fields.

• F-1 visa holders may work up to 20 hours per week on campus during the school term (15-17 USD hourly wage); unlimited work hours during official breaks (summer, winter, spring).
• Computer Science and Astronomy are both STEM-designated fields; OPT duration is 12 months base plus up to 24 months additional extension for STEM extension, totaling 36 months (3 years) for eligible graduates.
• During OPT, you may change employers, travel internationally (with valid travel documents), and pursue H-1B visa sponsorship from your employer. H-1B salary threshold for 2026 is approximately US$60,000-104,000 depending on occupational category and location.
• Spouse and dependent children may obtain F-2 dependent visas; they may not work but may attend school on their parent/guardian’s healthcare coverage.

Visa reality: F-1 to H-1B transition is not guaranteed; employer sponsorship requires strong performance and business justification. Build a specialized skill in your final two years (e.g., machine learning, distributed systems, astrophysical data pipelines) to strengthen H-1B candidacy before OPT expiry.

Also Check: USA Student Visa (F-1) Requirements and Timeline

University of Illinois Computer Science and Astronomy Ranking 2026

UIUC’s Computer Science programme ranks among the top 15 globally and the top 10 in the USA, reflecting exceptional research output, faculty recognition, and industry partnerships. For Astronomy and Astrophysics, UIUC ranks #7 globally and #1 in Illinois, combining theoretical and observational expertise with state-of-the-art computational infrastructure.

Overall, UIUC is ranked #70 globally by QS and #36 in the USA by US News. The university’s strength in Computer Science and Astronomy translates to robust employment networks and strong recruitment from major tech firms (Google, Microsoft, Meta, Apple) and research institutions (NASA, Fermilab, Lawrence Berkeley National Lab).

• Computer Science and Astronomy are both research-intensive fields at UIUC; undergraduates routinely access faculty-led labs and publication opportunities.
• Peer institutions (MIT #2, Stanford #3, CMU #1 for graduate CS) are significantly more selective; UIUC offers comparable quality at lower cost and less cutthroat competition.
• UIUC’s dual-degree structure uniquely positions students for careers in computational astrophysics, space technology, and observational research that require both software excellence and domain expertise.

Key insight: Rankings matter for recruiting, but outcomes matter more. UIUC CS and Astronomy graduates are highly sought; focus on building personal projects, contributing to open-source code, and engaging with department research rather than optimizing for ranking prestige.