Tie-breakers in Computerised Allocation of Secondary School Places
Ministry of EducationSpeakers
Summary
This question concerns the use of computerised balloting as a tie-breaker in the Secondary 1 Posting system and whether additional measures are planned to minimize chance-based allocations, as raised by Mr Gerald Giam Yean Song. Minister for Education Lawrence Wong explained that the new Achievement Level system uses citizenship, school choice order, and computerised balloting as sequential tie-breakers for students with identical scores. Minister for Education Lawrence Wong noted that balloting only occurs at the margins when multiple students sharing the same citizenship status and school choice ranking vie for the last remaining vacancy. Based on simulations, Minister for Education Lawrence Wong forecasted that approximately 1 in 10 students will undergo balloting, though the vast majority will still be allocated one of their six choices. Currently, there are no plans to introduce further tie-breakers, but the Ministry of Education will review the system's performance after implementation to determine if future refinements are necessary.
Transcript
49 Mr Gerald Giam Yean Song asked the Minister for Education (a) based on simulations using past PSLE data, how many students taking the 2021 PSLE does the Ministry forecast will have their Secondary school places allocated using computerised balloting as a third tie-breaker; and (b) whether the Ministry is considering introducing additional tie-breakers, in addition to citizenship and choice order of schools, to minimise the number of Secondary school places which are allocated based on chance.
Mr Lawrence Wong: Under the new PSLE scoring system, students will be graded in wider scoring bands, known as Achievement Levels, to reduce fine differentiation at a young age, and recognise a student’s level of achievement, regardless of how their peers have done. In line with this move, we have introduced school choice order as a new tiebreaker under the Secondary 1 Posting system, to encourage parents and students to choose schools that would best suit the student’s interests and strengths.
Under the new system, tiebreakers will be applied in the following order if students with the same PSLE score are vying for the last remaining place in a school:
First, citizenship, which is an existing tiebreaker. Singapore Citizens have the highest priority, then Permanent Residents, and lastly International Students.
Second, the new tiebreaker based on school choice order.
Lastly, if citizenship status and school choice order are the same, randomised computer balloting will be used to determine who is admitted to the school.
Balloting only happens when there are more students who choose the same school than there are vacancies in that school, and takes place after the tiebreakers of citizenship and choice order of schools have kicked in. This means that balloting happens only between students at the margins of admission to the same school who have the same PSLE score, citizenship and choice order of schools.
Based on simulations using the performance and school choice patterns of past cohorts, we expect that about 1 in 10 students will undergo balloting. Notwithstanding, the vast majority of students will be allocated one of their six school choices, comparable to the proportion under the current T-score system. There are currently no plans to introduce further tiebreakers. We will continue to review the system after some experience with running it, and consider if further updates or refinements are needed.