Massachusetts was ranked as having the best school system out of all US states.Zekai Wu/Getty ImagesA WalletHub study evaluated public school systems nationwide.The study examined factors such as standardized test scores, safety, and dropout rates.Massachusetts has the best public school system in the US, according to WalletHub.Usually, schools do the grading, but a new WalletHub study put public school systems nationwide to the test.To determine the states with the best and worst school systems, WalletHub evaluated public school systems in all 50 states and the District of Columbia using 32 weighted metrics falling into two categories: quality, which accounted for 80% of the overall score, and safety, which accounted for 20%.Factors such as graduation rates, standardized test scores, and pupil-teacher ratios were examined to determine the quality rank. For the safety rank, WalletHub looked at statistics regarding rates of drug use, bullying, school shootings, and disciplinary incidents.The analysis used data from sources including the US Census Bureau, the Department of Education, the National Center for Education Statistics, the Centers for Disease Control and Prevention, the Office of Juvenile Justice and Delinquency Prevention, US News & World Report, and the College Board.Here's how every state's public school system ranked, from worst to best.51. New MexicoAlbuquerque, New Mexico.GummyBone/Getty ImagesNew Mexico has the lowest math and reading scores, as well as the lowest median SAT scores, in the WalletHub study.50. AlaskaJacob Boomsma/Getty ImagesAlaska is tied with Washington for the fifth-highest public school dropout rate among US states, per the WalletHub study. The state also has the lowest four-year high school graduation rate, Business Insider previously found.WalletHub reported Alaska also has the second-lowest reading and math test scores, the fourth-lowest student-to-teacher ratio, and the highest bullying incidence rate.49. OklahomaSean Pavone/Getty Images/iStockphotoOklahoma has the fourth-highest dropout rate, the fourth-lowest reading test scores, and is tied with Nevada for the lowest median ACT score in the WalletHub study.48. OregonNicholas Klein/Getty ImagesOregon ranked 47th in the study's quality rank and 45th in the safety rank.47. West VirginiaLeonid Andronov/Getty ImagesWest Virginia is tied with New Hampshire and Alabama for the fourth-lowest dropout rates, although its math test scores are the fourth-lowest in the nation; its reading scores rank third-lowest; and its median SAT score is the second-lowest in the country. Bullying incidents in the state are the second-highest in the study.46. ArizonaSurprise, ArizonaMattGush/Getty Images/iStockphotoArizona tied with Oklahoma and Nevada for the lowest median ACT scores in the WalletHub study.45. NevadaLas Vegas, Nevada.Wirestock/Getty ImagesNevada tied with Oklahoma and Arizona for the lowest median ACT score, and also had the third-lowest pupil-teacher ratio.44. LouisianaBaton Rouge, Louisiana.felixmizioznikov/Getty Images/iStockphotoLouisiana had the highest percentage of threatened or injured high school students in the WalletHub study. The state also ranked with Mississippi and North Carolina for the fourth-lowest median ACT score.43. AlabamaKruck20/Getty ImagesWhile Alabama is tied with New Hampshire and West Virginia for the fourth-lowest dropout rate in the WalletHub study, the state also ranked third-highest in the percentage of threatened or injured high school students.42. HawaiiBig Island, Hawaii.akrassel/Getty ImagesHawaii has the third-lowest bullying incidence rate in the US.41. MissouriPerry Spring/Getty ImagesMissouri ranked 36th in the WalletHub study's quality category and last in its safety category. In Business Insider's ranking of high school graduation rates, the state fared better, ranking 10th highest among all states.40. IdahoBoise, Idaho.knowlesgallery/Getty Images/iStockphotoIdaho has the second-highest dropout rate in the WalletHub study, and is tied with Texas for the fifth-highest percentage of threatened or injured high school students.39. ArkansasBentonville, Arkansas.Mak Studio/Getty ImagesArkansas ranked 37th in the study's safety rank and 39th in the quality rank.38. South CarolinaKruck20/Getty ImagesSouth Carolina ranked 30th in the study's safety ranking and 41st on the quality rank.37. MississippiJackson, Mississippi.SeanPavonePhoto/Getty Images/iStockphotoDespite being tied with New Jersey for the lowest dropout rate in the study, Mississippi also tied with Louisiana and North Carolina for the fourth-lowest median ACT score and the second-highest percentage of threatened or injured high school students.36. OhioRudyBalasko/Getty ImagesOhio ranked 33rd in the study's safety ranking and 38th in the quality ranking.35. KansasLawrence, Kansas.Jacob Boomsma/Getty Images/iStockphotoKansas tied with Wisconsin for the fourth-highest median SAT score but also had the fourth-highest percentage of hi
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