The phrase "a sample of pupils" is correct and usable in written English.
It can be used when referring to a selected group of students for research, analysis, or educational purposes.
Example: "The study involved a sample of pupils from various schools to assess their reading comprehension skills."
Alternatives: "a group of students" or "a cohort of learners".
The evaluation used a simple survey design conducted on a sample of pupils from the 7th 9th grades (N = 1219).
This could include comparing the resources put into pastoral care, such as staffing and support services, and surveying a sample of pupils to see their views on school life.
A sample of pupils will also take a new test - the National Reference Test - which will be used to monitor the performance of each cohort, so that examiners will have a reference point for differences in ability between different year groups.
This is a cross sectional study enrolling a sample of pupils in primary and secondary schools in two states in Southern Nigeria: Ibadan and Enugu.
A survey and questionnaires were completed by a sample of pupils, as well as a survey of teachers and of parents.
It was decided to take a random sample per school and within such sample select classes from each year, from which a sample of pupils in the age range being considered would be taken.
Out of a total of 1100 pupils in all three schools, a sample of 135 pupils (boys and girls) from standard four to seven were randomly selected for the study.
Due to the small number of children in the schools (an average of 366 pupils per school) and the homogeneity of the study population; a sample of 135 pupils, which constituted 12% of all the school children in the area, was considered enough.
The paper presents the results of a research regarding the implementation of educational software in the classroom conducted on a sample of 212 pupils in primary schools.
A sample of 378 pupils in 58 schools in Flanders (the Dutch speaking part of Belgium) completed a performance-based ICT competence test in order to measure their actual proficiency in retrieving and processing digital information, and in communicating through a computer.
A sample of 2323 pupils (52% male, 48% female) was also covered.
