The average graduation rate over the past 10 years (2015-2025) is 61.20% where the last year rate was 60%.The average retention rate of the last 11 years is 79.70% for full-time students and 50.80% for part-time students. Graduation Rate ChangesThe average graduation rate of the last 11 years is 61.20% where the current academic year rate is 60%. The following table and chart show the changes of graduation rate at Washington State University over the past 10 years (2015-2025). Trends Table Interactive Chart Downloadable Chart YearTotalMenWomen 2015-16 64%62%66%2016-17 67%63%70%2017-18 62%59%65%2018-19 59%55%62%2019-20 60%56%63%2020-21 58%53%63%2021-22 59%54%63%2022-23 62%59%64%2023-24 61%58%64%2024-25 60%57%63%Average61.20%57.60%64.30% Retention Rate ChangesThe average retention rate of the last 11 years is 79.70% for full-time students and 50.80% for part-time students. The following table shows the changes of retention rate at Washington State from 2015 to 2025. Trends Table Interactive Chart YearFull-timePart-time2015-1678%40%2016-1779%58%2017-1881%56%2018-1979%48%2019-2079%53%2020-2181%49%2021-2281%56%2022-2381%55%2023-2480%53%2024-2578%40%Average79.70%50.80% Student to Faculty Ratio ChangesThe average student to faculty ratio over the last 11 years is 15.20 to 1 where the current academic year ratio is 15 to 1. The following table and chart illustrate the change of student to faculty ratio at Washington State University since 2025. Trends Table Interactive Chart YearStudent to Faculty Ratio 2015-1615:12016-1715:12017-1815:12018-1915:12019-2016:12020-2116:12021-2215:12022-2315:12023-2415:12024-2515:1Average15.20:1 Ratings & ReviewShare your experiences and thoughts about Washington State University. It will be a great help to applicants and prospective students! Be the first reviewer