Pillar guide
Student retention and persistence
Retention benchmarks by sector from federal data, what actually moves persistence, and how to measure a co-curricular program against the number you report.
Median full-time retention across US degree-granting institutions is 71%, but the sector spread is wide: 77% at private four-year nonprofits against 63% at public two-year institutions. That 14-point gap has nothing to do with student ambition and everything to do with structure. This guide covers where your institution sits, which interventions have evidence behind them, and how to measure a co-curricular program against the retention number you actually report.
Where you stand
Retention benchmarks by sector
Retention conversations stall when the only comparison available is a national average. A 68% rate is a crisis at a selective private college and an achievement at an open-access community college, so the sector median is the only comparison worth making.
The figures below are medians across institutions, computed from IPEDS EF2023D (the fall 2022 cohort returning in fall 2023), filtered to degree-granting two- and four-year institutions.
Median full-time retention rate by sector (IPEDS, Fall 2023)
n = 3,296 institutions overall; 1,240 private nonprofit 4-year, 793 public 2-year, 646 public 4-year. Source: IPEDS EF2023D.
Why the gap exists
The spread tracks capacity, not student ability
The sectors with the lowest retention are also the sectors with the least individual attention available per student. Median student-to-faculty ratios run 11:1 at private nonprofit four-year institutions, 16:1 at public four-years, 17:1 at public two-years, and 19:1 at private for-profit two-years (IPEDS, Fall 2023), which is roughly the inverse of the retention ordering.
That is a correlation, not a proof, and the causes are tangled: institutions with more attention per student also tend to enroll better-prepared, better-funded, more residential cohorts. But it is a useful corrective to the assumption that a low retention rate reflects student capability. It more often reflects how much of the institution any individual student can actually reach.
The practical consequence is that interventions requiring sustained one-to-one staff attention scale worst exactly where retention is lowest. Anything that depends on a professional having time for each student will run out of room first at a 17:1 institution with a largely commuting, largely part-time population. Structures where students support each other are the ones that survive that constraint.
Median student-to-faculty ratio by sector (IPEDS, Fall 2023)
Compare with the retention ordering above: the sequence is close to inverted. Source: IPEDS EF2023D.
The mechanism
Students rarely leave for one reason
Attrition is usually cumulative. A student who is academically capable, financially stretched, and socially unattached will leave over something small, because nothing is holding them. The same student with one strong connection on campus often stays through the same setback.
That is why single-intervention approaches underperform. Tutoring addresses capability, emergency aid addresses finances, and neither addresses attachment, which is the variable co-curricular programming actually moves.
Financial pressure sits underneath much of it. Nationally, 59% of college students have considered dropping out because of financial stress (Ellucian, 2024). Belonging does not pay tuition, but it changes whether a student looks for a way through or a way out.
See also: Commuter campuses · Online and adult learners
What moves it
Where co-curricular programming fits
Co-curricular involvement is one of the few retention levers that does not require new academic infrastructure. It works by giving a student a role, a small group that notices their absence, and a reason to be on campus that is not a class.
The outcomes NSLS chapters have reported are consistent with that. At Delgado Community College, students who earned their NSLS induction reached an 81 percent semester-to-semester retention rate, nearly 20 percent higher than that institution’s overall rate. Merrimack College retained students who joined the NSLS at a rate of 95 percent. At St. Petersburg College, 24 students invited to a one-campus pilot chapter were retained at a rate 37 percent above the college-wide rate.
Read those carefully, because they measure different things. Delgado’s compares inducted students with the institution’s overall rate; Merrimack’s is a retention rate for members, with no comparison rate attached; St. Petersburg’s compares 24 invited pilot members with the college-wide rate after one semester. In every case students chose to join, so selection effects are part of the picture: a structured program does not only change students, it also attracts the students most inclined to engage. The useful question for an administrator is not whether the effect is purely causal but whether the program reaches students who would otherwise be unattached, which is a design question you control.
Proving it
How to measure it so leadership believes you
Most co-curricular retention claims fail scrutiny for the same reason: they compare participants to non-participants without accounting for the fact that participants opted in. That comparison overstates the effect, and a competent provost will say so.
Three things make the number defensible. Define participation before the term starts, so you are not choosing a threshold after seeing the data. Compare against a matched group rather than the institutional average where you can: same entry cohort, similar credit load, similar Pell status. And report the disaggregated result, because an overall lift that comes entirely from already-advantaged students is not the finding you want to build a budget on.
Even without a matched comparison, participation rates among specific populations are worth reporting on their own. "We reached 140 commuter students who had no prior co-curricular involvement" is a real result, and it does not require a causal claim.
Go deeper
Supporting articles
Co-curricular involvement and student persistence: the link
Involvement correlates with persistence on every campus that measures it. The real question is which part you can build, and which part is selection.
Student retentionCommunity college retention: what to do with a 63% median
The median public two-year institution retains 63% of full-time students, 14 points below private four-year institutions. That gap is structural.
First-year retention tactics that fit the academic calendar
Most first-year retention plans fail on scheduling, not on strategy. Here is what fits into weeks one through fifteen when staff are already committed.
Student retentionRetention for commuter and online college students
Commuter and online students leave for structural reasons, not motivational ones. Four design changes reach them, and none is a virtual residential program.
Student retentionMeasuring the retention ROI of a co-curricular program
A retention ROI case that survives a CFO review needs a defined denominator, a comparison group that is not the institutional average, and staff time.
Key terms
Definitions
- Co-curricular
- Co-curricular describes learning an institution organises alongside the academic curriculum: tied to stated learning outcomes, but carrying no academic credit.
- First-generation student
- A first-generation student is one whose parents did not complete a bachelor's degree, the definition in federal law for the TRIO programs. Institutions vary.
- Induction
- Induction is when a nominated student becomes a full member of the National Society of Leadership and Success (NSLS), earned by completing five required steps.
- Persistence
- Persistence is the share of students who stay enrolled in higher education anywhere from one year to the next, even at an institution other than their first.
- Sense of belonging
- Sense of belonging is a student's perception that they are known, accepted and expected at their institution: the state campus involvement is meant to produce.
- Student retention
- Student retention is the share of students who return to the same institution the next academic year, usually measured for a full-time, first-time fall cohort.
Common questions
What is a good student retention rate?
It depends entirely on sector. Median full-time retention across US degree-granting institutions is 71%, but the median is 77% at private nonprofit four-year institutions and 63% at public two-year institutions (IPEDS, Fall 2023). Comparing your rate to a national average rather than your sector median produces misleading conclusions in both directions.
What is the average retention rate at community colleges?
The median full-time retention rate at public two-year institutions is 63%, based on the fall 2022 cohort returning in fall 2023 across 793 institutions (IPEDS EF2023D). That is roughly 14 percentage points below the median at private nonprofit four-year institutions.
What is the difference between retention and persistence?
Retention usually means a student returning to the same institution the following year. Persistence usually means continuing in higher education anywhere, including after transferring. A student who transfers and graduates elsewhere counts against retention but not against persistence, which is why institutions that serve many transfer students prefer persistence as a measure.
Do co-curricular programs actually improve retention?
Co-curricular involvement is consistently associated with higher retention, and NSLS chapters have reported outcomes such as an 81 percent semester-to-semester retention rate among inducted students at Delgado Community College, nearly 20 percent above that institution’s overall rate. Students chose to join, so selection effects are part of that result. The defensible framing is that structured involvement reaches students who would otherwise be unattached, and attachment is what predicts persistence.
How do you measure the retention impact of a co-curricular program?
Define participation before the term begins, compare participants to a matched group rather than the institutional average where possible, and disaggregate results by first-generation, commuter, part-time, and online status. Where a matched comparison is not available, report reach among previously unengaged students, which is a real result that requires no causal claim.
Why is retention lower at community colleges?
Partly structural. Public two-year institutions serve more part-time, working, commuting and adult students, for whom leaving is often a scheduling or financial decision rather than an academic one. They also have less individual attention available: the median student-to-faculty ratio is 17:1 at public two-years against 11:1 at private nonprofit four-years (IPEDS, Fall 2023). A low rate in that context reflects the conditions students are persisting under more than their capability.
What retention interventions scale at a large or commuter-heavy institution?
Interventions that do not depend on sustained one-to-one staff attention. Anything requiring a professional to have time for each student runs out of capacity first at exactly the institutions where retention is lowest. Peer-based structures (small groups where students set goals together and notice each other absent) hold up better under that constraint, which is the main practical argument for co-curricular programming over added advising load.
Why do students drop out of college?
Attrition is usually cumulative rather than caused by a single factor. Academic difficulty, financial pressure, and lack of social attachment compound, and the student who leaves is often the one for whom nothing was holding them. Financial stress is widespread: nationally, 59% of college students have considered dropping out because of it (Ellucian, 2024).
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Sources
- IPEDS EF2023D: retention rates, fall 2022 cohort returning fall 2023 (National Center for Education Statistics) (opens in new tab)
- Ellucian (2024): 59% of college students considered dropping out due to financial stress (opens in new tab)
- The NSLS: program overview (institutional retention outcomes) (opens in new tab)
- The NSLS: Increasing Student Engagement at St. Petersburg College (white paper, 2020) (opens in new tab)