Early school entrance and middle-run academic performance in Mexico: evidence for 15-year-old students from the PISA test

Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 3 Percentage of students by PISA Proficiency levels by area of knowledge, OECD and Mexico, 2018

Level	Mathematics			Science			Reading
	Lower score	% of students		Lower score	% of students		Lower score	% of students
	Lower score	OECD	Mexico	Lower score	OECD	Mexico	Lower score	OECD	Mexico
6	669 +	2.4	0.0	708 +	0.8	0.0	698 +	1.3	0.0
5	607–669	8.5	0.5	633–708	6.0	0.2	626–698	7.4	0.2
4	545–607	18.6	3.3	559–633	18.1	3.5	553–626	18.9	2.9
3	482–545	24.3	13.5	484–559	27.4	15.6	480–553	26.0	15.1
2	420–482	22.2	26.8	410–484	25.7	33.4	407–480	23.8	32.3
1a	358–420	14.9	29.5	335–410	16.1	11.9	335–407	14.9	2.4
1b				261–335	5.2	34.4	262–335	6.3	14.9
1c							189–262	1.3	32.1
Below	− 420	9.1	26.3	− 261	0.7	1.0	− 189	0.1	0.1

Generic description of levels
Level 1: Insufficient to access higher education and to develop the activities required by life in the knowledge society
Level 2: Identifies the minimum required to perform in contemporary society
Level 3: Above the minimum necessary although not enough to perform more complex cognitive activities
Level 4 and above: Has the potential to perform activities of high cognitive complexity