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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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Read the full methodology and editorial standards.
Research publications
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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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