Activity List (10-slot)
The Activity List is the Common Application section where students list extracurricular activities, work, and other commitments. It is limited to 10 entries with 150 characters per description and 50 characters per role title.
Key Facts
- • Hard limit: 10 activity slots, no exceptions.
- • Each slot has 150 characters for description, 50 characters for organization name, 50 characters for role/position.
- • Includes paid work, family responsibilities, religious activities, hobbies, online communities, not just school clubs.
- • Order matters. List activities by importance, not chronologically.
- • The 10-slot constraint forces students with 20+ activities to make hard choices about what to include.
What goes in it
The Common App Activity List is one of the most underestimated parts of a US college application, and one of the easiest places for international students to underperform. The format:
- 10 slots maximum. You cannot add an 11th activity. The Common App enforces this.
- Each slot includes:
- Activity type (academic, athletic, art, community service, work, etc.)
- Position/Leadership role (50 characters)
- Organization name (50 characters)
- Grade levels of involvement (9, 10, 11, 12)
- Hours per week and weeks per year
- Description (150 characters)
The 150-character description is the real challenge. That is about 25-30 words to convey what the activity was, what you did, and what you accomplished. Every word matters.
What "counts" as an activity
A common misconception: activities are limited to school clubs and varsity sports. They are not. Anything you have meaningfully spent time on counts:
- School clubs and student government - debate, robotics, model UN, school newspaper
- Sports - varsity, club, recreational
- Music, art, theater - formal lessons, performances, exhibitions, productions
- Community service - volunteering at hospitals, libraries, food banks, religious organizations
- Paid work - part-time jobs, family business, tutoring
- Family responsibilities - caring for siblings, helping run a family business, translating for parents
- Religious activities - youth group leadership, regular service, mission work
- Personal projects - apps you have built, blogs you write, YouTube channels, podcasts
- Serious hobbies - competitive chess, photography with a portfolio, fishkeeping with a breeding program
- Online communities - moderating a Discord server with thousands of members, leading a Reddit community
- Independent study or self-directed learning - language learning, coding bootcamps, online courses
The rule of thumb: if you have spent at least 2-3 hours per week for at least a year on something, it can be an Activity List entry.
How to choose your 10
Most students at competitive high schools have more than 10 activities by senior year. Choosing which 10 to include is a real strategic exercise:
Always include:
- Your spike activity, the area where you have gone deepest. This often takes the #1 slot.
- Activities with leadership roles: president, captain, founder, editor.
- Activities that show sustained commitment. Three-plus years in the same activity beats one year in five different ones.
- Paid work. US admissions readers value paid work as evidence of responsibility and time management.
Consider including: family responsibilities (caring for grandparents, translating for parents), independent achievements (research, published work, competition wins), and one thing you tried hard at but struggled with. Failure activities can show character growth.
Do not waste slots on: one-time events, activities joined senior fall for the application, generic "club member" entries, or honor societies with no leadership role.
Writing the descriptions
Each 150-character description should answer: What was this? What did you do? What did you achieve?
Bad description (151 characters, generic):
"Member of varsity tennis team. Practiced four times a week and competed in regional matches. Earned MVP award junior year for leadership."
Good description (148 characters, specific):
"Captain. Led 12-player team to first regional final in 8 years. Coached new players in serve technique. 16hr/wk in season, 8hr/wk off-season."
The good version uses the limited space for scale, specifics, and outcomes. The bad version wastes characters on generic activity-fair language.
Reviewed by Sprint Admissions Team · Updated May 2026
Related terms
Common Application
The Common Application is a single online form used by more than 1,000 US colleges, letting students submit one core application (essay, transcript, activities, and recommendations) to multiple schools at once.
Spike vs Well-Rounded
In US college admissions, 'spike' refers to a student who has gone exceptionally deep in one area or skill, while 'well-rounded' refers to a student with broad strengths across many areas. At the most selective US universities since the late 2010s, spikes are increasingly favored over well-rounded applicants.
Extracurricular Activities
Extracurricular activities ('ECs' or 'extracurriculars') are anything a high school student does outside required academic coursework: clubs, sports, arts, jobs, volunteer work, personal projects, family responsibilities. They form one of the four pillars of US college admissions alongside grades, test scores, and essays.