Castleport Research

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Castleport Research

Castleport Research is a public reference section for reporters, analysts, policy staff, and anyone who needs a source. It publishes documented data and explanatory records when the underlying source can be identified and checked. Castleport Test Prep is the publisher. The standard is straightforward: distinguish what the record shows from what it does not show, and make that distinction visible.

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  • Research records use primary source documents wherever those documents are available.
  • Every figure will link to the source document that supports it.
  • Each research page will state plainly what could not be verified.
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  • Corrections will be logged publicly with the page, date, and change.
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Research publications

  1. Ecomap template, symbol key and worked examples

    6 worked examples, 36 explained connections and a 15-guide symbol check. Free PDF, Word and PowerPoint templates. Updated September 2026.

    Updated
    September 29, 2026
    Dataset
    Attached
  2. NEC Adoption by State: Codes, Dates & Local Exceptions

    A 51-jurisdiction NEC code-route table with date meanings, local exceptions, scheduled changes, sources, and a downloadable CSV.

    Updated
    September 29, 2026
    Dataset
    Attached
  3. Electrical License Reciprocity by State and Class (2026)

    Compare 237 source-list records, class-specific routes, conditions and conflicts, with a 51-jurisdiction directory and free CSV downloads.

    Updated
    September 29, 2026
    Dataset
    Attached
  4. Electrician License Requirements by State (All 50 + DC)

    A 51-jurisdiction comparison of worker, contractor and local licensing routes, with detailed state entries and linked requirements.

    Updated
    September 29, 2026
    Dataset
    None attached
  5. Vet School Acceptance Rates: 35 U.S. Schools on One Measure

    A 35-school comparison of AAVMC Class of 2029 seats per applicant, residency splits, school-published counts, source conflicts, and free CSVs.

    Updated
    September 29, 2026
    Dataset
    Attached
  6. Vet School Prerequisites Chart (2026): 38 U.S. Programs Compared

    Compare source-linked prerequisite courses, alternatives, labs, course rules and application-cycle labels across 38 reviewed DVM/VMD programs. Includes four free CSVs.

    Updated
    September 29, 2026
    Dataset
    Attached
  7. PTCB Pass Rate: 69% in 2025, by Year and What It Means

    PTCB's published annual PTCE rates, the limits of first-attempt claims, official exam-count differences, and a seven-question program-claim checklist.

    Updated
    September 24, 2026
    Dataset
    None attached
  8. NCLEX Pass Rates: 2025 RN & PN Data by State and Cohort

    See official 2025 NCLEX-RN and NCLEX-PN pass rates by candidate type and state, with tested counts, annual trends, and school-reporting guidance.

    Updated
    September 21, 2026
    Dataset
    Attached
  9. LCSW Supervision Requirements by State: Hours & Rules

    Compare LCSW supervision requirements by state: work and client hours, supervisor meetings, time limits, license titles, and sources for each jurisdiction.

    Updated
    September 15, 2026
    Dataset
    None attached
  10. Social Work Continuing Education Requirements by State (2026)

    Compare CE hours, reporting periods, selected topics, approval models, online limits, and official sources for listed social-work credentials in all 50 states and D.C.

    Updated
    September 15, 2026
    Dataset
    None attached
  11. NASCLA Exam Requirements

    Exam eligibility, application steps, fees, approved references, test-day rules and participating agencies, with a separate electrical-exam comparison.

    Updated
    October 4, 2026
    Dataset
    None attached
  12. Free NASCLA Practice Test

    50 original commercial general building questions with explained answers, source locators, a static answer key and a score-by-area worksheet. Free, no signup.

    Updated
    October 4, 2026
    Dataset
    None attached
  13. NASCLA Exam Prep

    25 free commercial general building practice questions, a six-week plan, the 24 approved references and agency-specific acceptance rules.

    Updated
    October 4, 2026
    Dataset
    None attached
  14. Master Plumber Exam Prep

    20 original sizing, math and OSHA drills with explained answers, six exam comparisons, an eight-week study plan and preparation worksheets. Free, no signup.

    Updated
    October 2, 2026
    Dataset
    None attached
  15. Free Master Plumber Practice Test

    47 original master-level questions with explained answers, a five-item plan-reading drill, a complete printable key and nine state exam comparisons. Free, no signup.

    Updated
    October 2, 2026
    Dataset
    None attached
  16. Plumber license requirements by state

    All 50 states and DC: licensing authorities, journeyman and master/contractor paths, experience, exams and moving-state rules, with official sources.

    Updated
    October 2, 2026
    Dataset
    Attached
  17. Journeyman Plumber Exam Prep

    29 original questions across shared-code, 2021 IPC and 2021 UPC tracks, with code-lookup drills, a miss log and a four-week study schedule. Free and ungated.

    Updated
    October 2, 2026
    Dataset
    None attached
  18. Free Journeyman Plumber Practice Test

    36 original questions with answers and citations: trade math, jobsite safety and 2021 IPC, plus six-state exam guidance. Free and ungated.

    Updated
    October 2, 2026
    Dataset
    None attached
  19. Social Work Jurisprudence Exam Requirements by State (2026)

    A 51-jurisdiction register separating standard-path law exams, special-path assessments, state-law courses, scores, timing, and official sources.

    Updated
    August 8, 2026
    Dataset
    Attached
  20. ARRT Radiography Exam Pass Rates by Program: 2026 Data

    Compare ARRT's 85.8% first-time candidate rate with JRCERT's 89% five-year credentialing rate, anonymous score distributions, named program examples, and source data.

    Updated
    August 8, 2026
    Dataset
    Attached
  21. Pharmacy Technician Requirements by State: 2026 Data

    A 51-jurisdiction register separating state credentials, national certification, entry paths, recent changes, edge cases, and official sources.

    Updated
    August 7, 2026
    Dataset
    Attached
  22. ASWB Exam Requirements by State: 2026 Verified Data

    A 51-jurisdiction matrix of ASWB exam categories, seven direct no-exam credentials, approval and retake rules, 2026 changes, and official sources.

    Updated
    August 7, 2026
    Dataset
    Attached
  23. CST Pass Rates by Surgical Technology Program: 2026 Data

    A 78-disclosure audit separating broad and explicit first-attempt medians, national CST trends, accreditation formulas, cohort counts, and official sources.

    Updated
    August 7, 2026
    Dataset
    Attached
  24. Phlebotomy Certification Requirements by State: 2026 Data

    A 51-jurisdiction review separating state credentials, national certifiers, training floors, procedure counts, renewal, fees, and evidence limits.

    Updated
    August 7, 2026
    Dataset
    Attached
  25. Can Medical Assistants Start IVs by State? 2026 Data

    A 50-state public-evidence matrix separating peripheral IV insertion from removal, fluids, medication, credentials, supervision, and retail-IV rules.

    Updated
    August 7, 2026
    Dataset
    Attached
  26. Can Medical Assistants Draw Blood by State? 2026 Data

    A 51-jurisdiction register separating named medical-assistant paths, broader phlebotomy routes, delegation, training, supervision, and source silence.

    Updated
    August 7, 2026
    Dataset
    Attached
  27. SLP Praxis Pass Rates by Program: 2026 Data From 47 Schools

    Two official 2024–25 SLP Praxis rates, a 56-record public-page audit, an 11-year national series, CAA context, and downloadable data.

    Updated
    August 6, 2026
    Dataset
    Attached
  28. NAVLE Pass Rates by Veterinary School: 2025–26 Data

    Official school-reported NAVLE rates for 32 U.S. schools, national context, denominator detail, uncertainty ranges, and a calculated AVMA-boundary table.

    Updated
    August 6, 2026
    Dataset
    Attached
  29. Surgical Technologist Certification Requirements by State (2026)

    A 50-state review separating 17 dedicated frameworks, 9 ordinary certification routes, time-limited graduate windows, and official state sources.

    Updated
    August 6, 2026
    Dataset
    Attached
  30. Medical Laboratory Scientist Licensure Requirements by State (2026)

    A 52-jurisdiction register separating broad state credentials, Tennessee's conditional system, facility licenses, renewal cycles, and continuing education.

    Updated
    August 6, 2026
    Dataset
    Attached
  31. ASCP Pass Rates by Program: 2025 Data and 11-Year Trends

    Current ASCP accredited-program rates, first-time and repeat exam counts, 11-year trends, revision checks, school denominators, and downloadable CSV data.

    Updated
    August 6, 2026
    Dataset
    Attached
  32. Can Medical Assistants Give Injections by State? 2026 Data

    Medical assistant injection rules for all 50 states and D.C.: 14 clear pathways, 10 narrow ones, 1 ban, IV limits, and source links.

    Updated
    August 6, 2026
    Dataset
    Attached
  33. NAPLEX Pass Rates by Pharmacy School: 2025 Data

    A version-checked 2023–2025 dataset covering 141 current school rates, attempt counts, benchmark context, trends, and reproducible comparisons.

    Updated
    August 5, 2026
    Dataset
    Attached
  34. Medical Assistant Supervision Requirements by State (2026)

    A 10-jurisdiction study of supervisor location, permitted supervisors, task-specific tiers, injections, blood draws, and remote oversight.

    Updated
    August 5, 2026
    Dataset
    Attached
  35. Teacher Certification Reciprocity by State: 2026 Data

    Teacher certification reciprocity by state: 51 official routes, 15 CSG-listed compact states, current rules, and a verified August 2026 table.

    Updated
    August 5, 2026
    Dataset
    Attached
  36. Social Work License Reciprocity by State: 2026 Data

    Social work license reciprocity by state, verified Aug. 5, 2026: 35 compact laws, 33 compatible states, and 0 multistate licenses.

    Updated
    August 5, 2026
    Dataset
    Attached
  37. ASWB Exam Alternative Pathways by State: 2026 Data

    ASWB exam alternative pathways by state: 3 full-license routes, 9 permanent-credential jurisdictions, conditions, dates, and sources.

    Updated
    August 5, 2026
    Dataset
    Attached
  38. VTNE Pass Rates by School: 2023–2025 Data Audit

    Audit of 81 official VTNE school disclosures for 2023–2025, with candidate counts, arithmetic checks, sources, national comparators, and limitations.

    Updated
    August 5, 2026
    Dataset
    Attached
  39. CPA Exam Pass Rates by School: What the Public Data Actually Says

    CPA Exam pass rates by school, with 101 verified NASBA rows, candidate counts, section attempts, and the denominator problem most tables hide.

    Updated
    August 5, 2026
    Dataset
    Attached
  40. Social Work License Processing Times by State (2026)

    Compare 2026 social work license processing times by state, including the clock, endpoint, evidence type, official source, and 51-jurisdiction register.

    Updated
    August 5, 2026
    Dataset
    Attached
  41. Praxis Pass Rates by College: 2023–24 PA Data

    Praxis pass rates by college from Pennsylvania’s 2023–24 file: 5,779 records, 44 exams, and 90.7% of college-exam cells without a numeric rate.

    Updated
    August 4, 2026
    Dataset
    Attached
  42. Medical Assistant Scope of Practice by State: 2026 Data

    A verified 51-jurisdiction dataset on medical-assistant credentials, delegation, injections, blood draws, IVs, sources, and limitations.

    Updated
    August 4, 2026
    Dataset
    Attached
  43. School Social Work Licensure Requirements by State — 2026

    35 of 51 U.S. jurisdictions issue an active school social work credential. Compare degree, license, fieldwork, exam and renewal rules by state.

    Updated
    August 4, 2026
    Dataset
    Attached

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