In response to this steady growth, facilities were improved, instruction was enhanced, and fresh blood was infused into the staff and teaching force. In 2002 (GS) and 2003 (US) respectively, it obtained its Level 1 PAASCU Accredited Status and in 2007 (GS) and 2008 (US) it received its Level 2 status. In 2013 and 2014, it received its Level 2 re-accreditation status and in 2016, the Upper School Department was invited to apply for Level 3 accreditation.

Likewise, given the K to 12 implementation of the DepEd, SSA opened its Senior High School Program in 2016 offering Science, Technology, Engineering, and Mathematics (STEM); Accountancy and Business Management (ABM); Humanities and Social Sciences (HUMSS); and Information and Communications Technology (ICT).

The school of Saint Anthony has established its reputation as a quality educational institution in the vicinity of Novaliches. Through it efforts in becoming dynamic and value-laden individuals, fundamental and current academic and non-academic programs are continually provided. Involvement in sports, the performing arts, journalism, and academic competitions have been highly supported, thus, reaping numerous awards for both the students and the school.

In the years to come, the School of Saint Anthony hopes to continue the improvement of its services, and imbue in its students the importance of extending the values learned in school to our society.