EOS Participation

Students can opt into the ACT Educational Opportunity Service (EOS) when they register to take the ACT. EOS provides students with information about educational and financial aid opportunities by making the names of ACT-tested students available to colleges and scholarship agencies that meet EOS eligibility guidelines. About 88% of the ACT-tested high school graduating class of 2011 opted into EOS during high school.

Percent Opting Into EOS by Time of First Testing and ACT Composite Score, 2011

Line graph showing percent of students who opted into EOS in grade 11 and in grade 12, by ACT Composite score range

Graph reads: 79% of the ACT-tested high school graduating class of 2011 who first tested in 12th grade and had an ACT Composite score between 28 and 32 opted into EOS.

ACT Composite ScoreGrade 11Grade 12
1–1584%92%
16–1990%91%
20–2390%89%
24–2789%84%
28–3286%79%
33–3684%75%

Note: ACT tests taken before 11th grade were not included.

A student’s likelihood of opting into EOS differed by the intersection of the time of first testing and the students’ ACT Composite score.

  • For students who first tested in 11th grade, a larger share of students with scores in the middle ranges of the score scale opted into EOS relative to the share of students at either the lower or upper ranges of the score scale.
  • For students who first tested in 12th grade, the share of students who opted into EOS declined steadily as their scores increased.


Percent Opting Into EOS by Time of First Testing and State Category, 2011

Bar chart showing percent of students opting into EOS by time of first testing and state category

Graph reads: 89% of the ACT-tested high school graduating class of 2011 from &147;ACT+&148; states who first tested in 12th grade opted into EOS.

State CategoryGrade 11Grade 12
ACT+88%89%
ACT91%90%
ACT/SAT89%90%
SAT87%88%
SAT+83%83%
National88%89%

Note: ACT tests taken before 11th grade were not included.

Note: Based on 74% of the ACT-tested graduating class of 2011 who reported family income level when registering for the ACT. ACT tests taken before 11th grade were not included.

An ACT-tested student’s likelihood of opting into EOS differed very little by the ACT and SAT participation rates in the state.

  • Compared to the other state categories, a smaller percentage of students in “SAT+” states opted into EOS. Opt-in rates for “SAT+” states, however, were higher than 80%.
  • Within each state category, the EOS opt-in rate did not differ much by time of first testing. Across all state categories, a large majority of students who tested for the first time in 12th grade were interested in more information from colleges and scholarship agencies through EOS.


Colleges and scholarship agencies that are eligible can use ACT’s EOS to identify and select prospective students whose backgrounds and academic achievement levels align with the mix of desired characteristics of the students in their applicant pool.

Percent of EOS Students Selected by Time of First Testing and ACT Composite Score, 2011

Line graph showing percent of EOS students selected by time of first testing and ACT Composite score range

Graph reads: 88% of the ACT-tested high school graduating class of 2011 who first tested in 12th grade, opted into EOS, and had an ACT Composite score between 24 and 27 were selected at least once through EOS.

ACT Composite ScoreGrade 11Grade 12
1–1557%31%
16–1986%57%
20–2397%80%
24–2798%88%
28–3298%88%
33–3699%93%

Note: ACT tests taken before 11th grade were not included.

Among those students who opted into EOS, a student’s likelihood of being selected by a college or scholarship agency differed by both the time of first testing and the student’s ACT Composite score.

  • Within all score ranges, a student who first tested in 12th grade was less likely than a student who first tested in 11th grade to be selected through EOS.
  • For students who first tested in 11th grade, the percentage who were selected leveled off beginning in the score range of 20 to 23.
  • For students who first tested in 12th grade, the percentage who were selected increased similarly by ACT Composite score.


Average Number of Times EOS Students Were Selected by Time of First Testing and ACT Composite Score, 2011

Line graph showing average number of times EOS students were selected by time of first testing and ACT Composite score range

Graph reads: ACT-tested high school graduates from the class of 2011 who first tested in 12th grade, opted into EOS, and had an ACT Composite score between 33 and 36 were selected an average of 8 times through EOS.

ACT Composite ScoreGrade 11Grade 12
1–1510.4
16–1951
20–23144
24–27246
28–32346
33–36428

Note: ACT tests taken before 11th grade were not included.

The number of times that a student was selected by a college or scholarship agency through EOS also differed by both the time of first testing and the student’s ACT Composite score.

  • Within all score ranges, students who first tested in 12th grade were selected by fewer colleges and scholarship agencies than students who first tested in 11th grade.
  • The grade-level gap in the average number of colleges and scholarship agencies that selected students widened as the students’ ACT Composite score increased.