Between 2018 and 2026, the rules governing who may study, work, and stay in the United States as an international student changed more than a dozen times — sometimes overnight, and rarely with the applicant's timeline in mind. This report does two things. Part I lays out the documented regulatory record: what changed, when, under which administration, and what its current status is as of July 2026. Part III then uses that record to simulate how four composite students — none of them real people — might move through the same sequence of decision points, and where each is likeliest to get stuck.

On the composites Sections III's "Amara," "Rafael," "Deng," and "Priya" are illustrative constructs built from published policy provisions, processing statistics, and cost data — not case studies of actual individuals. They are a way of making abstract regulatory timing concrete, not a claim about any one country's students as a group. The mechanisms described (fee walls, filing deadlines, lottery odds) apply to applicants from any country; where a scenario specifies a home-country condition, it is stated as an assumption, not a generalization.

Part I — The Record

Eight Years of Rule Changes, 2018–2026

Nearly every policy below was framed by its authors as a matter of national security, labor-market protection, or program integrity. Nearly every one of them also fell heaviest on students who could least absorb a sudden change of plan — those without the savings for a second visa run, the paperwork already routed through the deans's office of a smaller school, or a passport whose renewal takes months rather than days. The timeline is presented in the order the rules were issued, with current status as of July 2026.

Section 1.1

2018–2021 — The First Wave

2019

Public Charge Final Rule

DHS finalized a rule broadening the "public charge" test used when someone seeks to extend or change nonimmigrant status, requiring a wider look at income, health, age, and prior benefits use. It was blocked, revived, and ultimately replaced by a 2022 rule under the Biden administration; DHS proposed rescinding that 2022 rule in November 2025 (see §1.3). Federal Register ↗

Status: superseded, now being revisited

May 29, 2020

Proclamation 10043 — Chinese graduate students & researchers

Signed by President Trump, the proclamation suspended entry on F or J status for Chinese nationals, generally at the graduate level and above, with ties to entities supporting the PRC's "military-civil fusion strategy." The State Department went on to revoke roughly 1,000 previously issued visas, and denied 1,964 more under the policy in FY2021 alone. The Biden administration continued to enforce it, and reporting from 2023 found visa officers still applying it. Federal Register text ↗ Forbes, 2023 ↗

Status: still in force

Jul 6–14, 2020

The SEVP online-learning reversal

On July 6, 2020, SEVP announced that F-1 and M-1 students at schools moving entirely online for the fall could not remain in the U.S. on a full online course load — they would have to transfer or leave. Harvard and MIT sued within days. On July 14, DHS agreed to fully rescind the guidance, restoring the earlier COVID-era exemption. The episode lasted eight days but forced tens of thousands of students to weigh transferring schools or leaving the country before the case was resolved. ICE, Jul 6 ↗ AILA case summary ↗

Status: rescinded within 8 days

Nov 2020 – Jan 2021

Wage-ranked H-1B selection (v.1)

A proposed rule (Nov. 2, 2020) and its January 8, 2021 final version would have replaced the random H-1B lottery with straight ranking by prevailing-wage level, favoring the highest-paid registrations. DHS itself later projected the rule would leave Level I ("entry level") registrations with little to no chance of selection. A federal court in the Northern District of California vacated the rule before it took effect, and USCIS formally withdrew it in December 2021. Federal Register, Dec 2025 rule (recites history) ↗

Status: vacated 2021, later superseded (see §1.3)

Section 1.2

2022–2024 — Relative Calm, Uneven Recovery

The 2022–2024 period saw fewer headline rule changes but a slow re-tightening of adjacent policy: the 2022 public-charge rule replaced the 2019 version with narrower criteria; OPT and STEM OPT participation grew steadily (from an estimated 242,782 students on OPT/STEM OPT in the 2023/24 academic year, per the Institute of International Education); and overall international enrollment climbed for four consecutive years after the pandemic dip. Forbes, Nov 2025 ↗ This is the calm the 2025–26 wave interrupted.

Section 1.3

2025–2026 — The Second Wave

Starting in the spring of 2025, the pace and severity of change accelerated sharply. Six developments below are load-bearing for the simulations in Part III.

Late Mar – Apr 25, 2025

Mass SEVIS record terminations

Beginning around March 28, 2025, ICE began terminating active SEVIS records — the government's system of record for student status — for reasons including dismissed charges, minor citations, or past visa infractions, often without notice to the student or their school. Terminations were reported at more than 50 universities. Litigation followed (including AAUP v. Rubio), and DHS reversed the policy on April 25, 2025, restoring most records. A federal judge in California issued a nationwide preliminary injunction on May 23, 2025, finding that termination itself had ended lawful status even for students later reinstated. Northeastern OGS ↗ Presidents' Alliance FAQ ↗

Status: reversed, but injunction shows harm outlasted the fix

Sep 19–21, 2025

$100,000 H-1B entry fee

A presidential proclamation imposed a $100,000 supplemental fee on new H-1B petitions filed for beneficiaries who are outside the United States, effective September 21, 2025, for twelve months unless extended. USCIS guidance issued October 20, 2025 clarified that the fee does not apply to change-of-status filings for students already in the U.S. on F-1/OPT, to current H-1B holders, or to extensions and amendments — meaning the fee's practical effect falls almost entirely on applicants applying from abroad, including students who leave the U.S. between OPT and a sponsored job offer. Wash U OISS ↗ AIP policy primer ↗

Status: in force through Sept 2026

Aug 28, 2025 → Jul 17, 2026

Termination of "Duration of Status" (D/S)

DHS proposed replacing open-ended D/S admission for F, J, and I nonimmigrants with a fixed period — generally the I-20/DS-2019 end date, capped at four years, plus a shortened grace period — requiring formal extension-of-stay filings with USCIS beyond that point. The proposal drew more than 30,000–34,800 public comments. The final rule was cleared by OMB on May 5, 2026, and — as of the date of this report — published in the Federal Register on July 17, 2026, taking effect 60 days later. Students who cannot finish (or extend) within the fixed window begin accruing unlawful presence immediately upon expiration, a harder trigger than the prior "day after a status violation is found" standard. Fragomen, final rule ↗ Boston University ISSO ↗

Status: finalized today; effective ~mid-Sept 2026

Nov 19, 2025

Public charge — proposed rescission of the 2022 standard

DHS proposed rescinding the 2022 public-charge rule and reverting to a broader, more discretionary "totality of the circumstances" test last seen in 2019, arguing the 2022 definition was too narrow. As of this report, the rule remains a proposal only — its comment period closed December 19, 2025, and no final rule has been published. National Immigration Forum ↗

Status: proposed, not yet final

Dec 29, 2025 → Feb 27, 2026

The random H-1B lottery ends

DHS finalized a rule replacing the random computerized H-1B cap lottery with a "weighted selection" process: rather than ranking strictly by wage level (as the vacated 2021 rule would have), USCIS will assign each unique registrant a selection weight tied to their OEWS prevailing-wage level, favoring — but not guaranteeing exclusion of — higher-wage offers. The rule takes effect February 27, 2026, in time for the FY2027 cap season, and legal challenges are expected. Fisher Phillips ↗

Status: in force for the 2026 cap cycle

Jan 9, 2026 → ongoing

OPT / STEM OPT under active review

DHS confirmed in an internal letter that it is re-evaluating the scope and duration of OPT, including the 24-month STEM extension, citing worker-displacement and fraud concerns, with a rulemaking entry (RIN 1653-AA97) on the regulatory agenda. Separately, Acting ICE Director Todd Lyons announced on May 12, 2026 that a review of the largest OPT employers had identified more than 10,000 cases the agency called "highly suspect," and said "more actions are forthcoming." No rule has yet been proposed or finalized; OPT itself has twice survived legal challenge (2016–2021) and remains in effect unchanged as of this report. Erickson Immigration Group ↗ OPT crackdown summary ↗

Status: under review; no rule yet

Part II — The Mechanism

Where in the Lifecycle Policy Actually Bites

A student's path from admission to a stable, sponsored career passes through five decision nodes. Each of the policies in Part I attaches to a specific node — which is why their effect is best understood as a change in the odds of clearing each gate, not as a single verdict on "international students" as a category.

Node	What has to happen	Policies now attached to it	Directional effect since 2018
1. Visa issuance & entry	Consular F/J interview; CBP admission	PP 10043 (China); periodic SEVIS/visa-interview pauses; expanded "Catch and Revoke" style social-media screening reported in spring 2025	Tighter — new categorical and discretionary grounds for denial or revocation
2. Maintaining status through the program	Full course load; no unauthorized gaps; timely program completion	D/S termination (fixed 4-yr cap + formal extension filings); mass SEVIS terminations (2025); shortened grace period (60 → 30 days)	Tighter — the clock now runs against the student, not the program
3. Post-graduation work authorization (OPT/STEM OPT)	Timely EAD filing; qualifying employer; STEM-OPT reporting	OPT/STEM OPT under DHS review (no rule yet); new biometrics step; processing backlogs (~12,000 pending, early 2026); new filing fee ($1,780 cited by trade press)	Uncertain — unchanged in regulation, but slower and costlier in practice
4. Employer sponsorship into H-1B	Employer files registration; wins the cap selection; petition approved	Weighted selection replacing random lottery (Feb 2026); $100,000 fee for consular filings (Sept 2025–26); DOL directed toward higher prevailing wages	Tighter for entry-level roles and for anyone who must file from outside the U.S.
5. Path to permanent residency	Employer-sponsored green card; admissibility determination	Public charge — 2022 rule under proposed rescission back toward a broader 2019-style test (not yet final)	Pending — no live rule change yet, but direction of travel is toward broader officer discretion

The structural squeeze The cumulative effect is a narrowing at both ends of the pipeline at once: node 2 now punishes delay more severely (fixed admission periods, a harder unlawful-presence trigger), while node 4 now punishes leaving the country at the wrong moment (the $100,000 fee applies specifically to petitions filed for people who are outside the U.S.). A student who must go home — for a family emergency, a passport renewal, a funding gap, or simply because OPT ran out before a sponsor was found — now re-enters node 4 from the more expensive side of that fee line.

Part III — Simulated Trajectories

Four Composite Students, Four Different Gates

Each composite below is built entirely from the documented policies in Part I. None represents a real applicant, university, or country's students as a class; the country and field of study are assumption inputs, chosen only to make the cost and timeline arithmetic concrete. The question each asks is the same: at which node does policy — not merit, effort, or academic performance — decide the outcome?

Composite A · Clears every gate

The Inside Track

FieldM.S. Computer Science

Employer sponsor foundWhile on OPT, in-country

H-1B filing postureChange of status, no travel

$100K fee exposureNone — exempt

OutcomeSelected, approved

Composite B · Blocked at node 4

The Fee Wall

FieldM.B.A., international finance

Trigger eventVisits home country; OPT lapses before offer finalized

H-1B filing postureConsular, from abroad

$100K fee exposureFull — employer must pay or withdraw

OutcomeOffer withdrawn

Composite C · Blocked at node 2

The Clock Runs Out

FieldPh.D., materials engineering (5–6 yr program)

Trigger eventD/S fixed-period cap reached mid-dissertation

Required actionFile Form I-539 extension with USCIS, from inside the U.S.

Risk windowUnlawful presence accrues if filing is late or denied

OutcomeDelayed, contingent on adjudication timing

Composite D · Blocked at node 1–2

The Reversed Record

FieldB.S., mechanical engineering, final year

Trigger eventSEVIS record terminated over a dismissed minor charge (spring 2025-style action)

Immediate effectLegal status treated as ended; CPT/OPT eligibility frozen

Resolution pathReinstatement litigation / DHS reversal, weeks later

OutcomeRestored, but with a lost semester and legal costs

Detail

Composite B — The Fee Wall, walked through

Assume a graduate business student, funded mostly by family savings and a partial assistantship, completing a two-year OPT-eligible program. The scenario is built entirely from the September 2025 proclamation and its October 2025 USCIS clarification (§1.3):

Month 0

OPT begins

12-month clock starts. A qualifying employer must be found and an H-1B registration filed within the annual spring window to have any chance at the following fiscal year's cap.

Month 7

Family emergency requires travel home

Re-entry itself is not barred, but the trip breaks continuous domestic presence at the exact moment an employer is finalizing a job offer.

Month 9

Employer is ready to file — but the student is abroad

Per USCIS's October 2025 guidance, a petition filed for someone outside the U.S. is subject to the $100,000 proclamation fee; a change-of-status petition filed for someone already inside the U.S. is not. Because the trip home overlapped with the filing window, the petition falls on the consular side of that line.

Month 10

Employer declines to pay

For a mid-size employer, a one-time $100,000 fee on top of standard petition costs frequently exceeds the first year of the role's fully loaded compensation. Reporting from immigration counsel describes exactly this substitution effect: firms redirecting sponsorship budget toward candidates who can file a change-of-status petition from inside the U.S. instead.

Sponsorship withdrawn

Nothing in this sequence involves the student's qualifications, visa compliance, or conduct. The single variable that determined the outcome was geographic location on the day the petition was ready to file — a variable the $100,000 fee turns into a hard cost line for the first time.

Part IV — Data Appendix

Enrollment, In Aggregate

The scenario-level mechanics in Part III show up in aggregate enrollment data almost immediately. The 2024/25 academic year was still one of overall growth; the leading indicator — new enrollment — had already turned down by the time this report's underlying data was collected.

New International Student Enrollment — Year-over-Year Change

2023/24 → 2024/25

−7.2%

Fall 2025 snapshot (proj.)

−17%

Total enrollment, Fall 2025

−1%

Graduate new enrollment

−15%

OPT population, 2024/25

+21.2%

Sources: IIE Open Doors 2025; AACRAO, "2025 Data and the Global Student Trajectory"; Inside Higher Ed, July 2026.

1,177,766Int'l students, 2024/25 (record high)

$1.1B+Projected revenue loss, Fall 2025 decline

~23,000Associated jobs at risk

363,019Students from India, 2024/25 (+10%)

265,919Students from China, 2024/25 (−4%)

Reading the trend line Twelve of the top 25 sending countries — including Bangladesh, Ghana, Nepal, Nigeria, Pakistan, Peru, and Vietnam — reached their largest-ever enrollment totals in 2024/25, the same year new enrollment began to fall and the same year the SEVIS terminations, the $100,000 fee, and the D/S rule were all set in motion. The aggregate record and Part III's mechanics point the same direction without requiring any claim about which countries' students are more "at risk" as a group — the mechanisms (fee triggers, fixed admission windows, discretionary terminations) apply uniformly; what differs case to case is exposure, not origin.

Sources

Primary & Institutional Sources Cited

DHS/Federal Register — Proclamation 10043, "Suspension of Entry as Nonimmigrants of Certain Students and Researchers From the PRC" (May 29, 2020) — govinfo.gov
ICE/SEVP — Fall 2020 online-course guidance and rescission (Jul 6–14, 2020) — ice.gov; case summary via AILA
Federal Register — "Weighted Selection Process for Registrants and Petitioners Seeking to File Cap-Subject H-1B Petitions" (Dec 29, 2025) — federalregister.gov
Fisher Phillips — summary of the finalized H-1B weighted-selection rule, effective Feb 27, 2026 — fisherphillips.com
White House Proclamation, "Restriction on Entry of Certain Nonimmigrant Workers" (Sept 19, 2025) — summarized via Washington University OISS and American Institute of Physics policy primer
Fragomen LLP — DHS final rule replacing Duration of Status with fixed admission periods (published Jul 17, 2026) — fragomen.com
Boston University ISSO — proposed D/S rule summary and comment tracking — bu.edu
National Immigration Forum — explainer on the November 2025 public-charge NPRM — forumtogether.org
American Council on Education — Trump administration public-charge rule tracking and 2025 policy roundup — acenet.edu; OPT issue brief — PDF
Forbes (Stuart Anderson) — "New Immigration Rule Will End Or Restrict Student Practical Training" (Nov 11, 2025) and "Chinese Students Still Denied Visas Under Trump Immigration Order" (Apr 11, 2023) — forbes.com
Erickson Immigration Group — DHS internal letter confirming OPT/STEM OPT review (Jan 9, 2026) — eiglaw.com
Presidents' Alliance on Higher Education and Immigration — FAQ and litigation tracker on 2025 SEVIS terminations, incl. May 23, 2025 injunction — presidentsalliance.org
Northeastern University, Office of Global Services — timeline of SEVIS termination reversal (Apr 25, 2025) — northeastern.edu
Institute of International Education — Open Doors 2025 report and Fall 2025 Snapshot — iie.org / opendoorsdata.org
AACRAO — "2025 Data and the Global Student Trajectory" — aacrao.org
Inside Higher Ed — "5 Takeaways From International Education Survey" (Jul 13, 2026) — insidehighered.com

Notes on method and limits This report draws only on federal notices, agency guidance, and reporting from established legal, higher-education, and news organizations; it excludes blogs, forums, and unverified sources. Several rules discussed here — the D/S final rule, the public-charge NPRM, and any forthcoming OPT rule — are moving targets: check the linked primary sources for the current status before relying on this report for an individual decision. This document is a policy explainer, not legal advice.

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Trapped in Transit

U.S. student- and work-visa policy since 2018, and what it does to one life at a time