The New Zealand education system ranks amongst the best in the world. At secondary school there is a qualification system called the National Certificate of Educational Achievement (NCEA). There are three academic levels and a combination of school administered tests and national examinations are used for assessment. NCEA is internationally recognised and accepted.

Sacred Heart College is signatory to the Code of Practice for the Pastoral Care of International Students 2016, administered by the New Zealand Qualifications Authority (NZQA). It is available in different languages.