Learning and the Learner at Heart
Nurturing students into confident and responsible members of the community.
Quality International Education at the Heart of Phnom Penh
Curriculum tailored by a team of experienced international educators.
Nurturing Future-ready Global Citizens
A safe learning environment, celebrating different cultures with respect and kindness.
A Truly Holistic Learning
Dynamic and creative learning environment
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About Us

Frontrunners in Cambodia’s international school scene since 2017, ISS International Academy (ISS) is one of the first schools in Phnom Penh to offer a blended curriculum based on both the Singapore Curriculum and the International Primary Curriculum (IPC). Located in the heart of Toul Tom Poung, Phnom Penh, students enjoy spacious classrooms, a technology lab, futsal court and a swimming pool that provides a stimulating learning environment.

As a member of Crestar Education Group, ISS joins a growing number of international schools under out parent company and its network of more than 120 centres across 8 countries in Singapore, China, Malaysia, Indonesia, Bangladesh, Cambodia, Vietnam and Australia.

What Makes Us Unique

Our premium and modern facilities are designed to stimulate and encourage creative and critical thinking at all levels.
Strong foundations and curricula rigor through the world-renowned Singapore Math and Science.
Opportunities to participate in co-curricular activities such as Football, Chess and Taekwondo.
Thematic Units of Learning allow students to acquire knowledge in a larger context, and see relationships and connections across time, place, and disciplines.
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Our Curriculum

ISS is proud to offer a comprehensive trilingual program that caters to the diverse linguistic needs of our students. With instruction in English, Khmer, and Chinese, we provide an immersive language learning experience that enables our students to develop proficiency in multiple languages. We believe that education is more than just academic excellence. We strive to nurture our students’ character, values and social skills, helping them to develop into well-rounded individuals who are prepared to thrive in a rapidly changing world.

Parent Testimonials

Learn more about how we deliver unique learning experiences for your child

Come and meet us and experience The ISS difference – the school in which learning flourishes and such high value is placed on the development of individuals into confident and responsible members of society.

Digital Literacy Policy

Technology is very much a part of all of daily routines. Hence, at The Grange, we seek to ensure that students continue to gain meaningful access to technology to enhance the development of important 21st century self-management, collaboration, thinking, research and communication skills. Our digital citizenship curriculum is designed to empower students to learn how to think critically and ethically in their use of technology in their learning; to respect cyber safety and understand how to minimise risks for themselves and others; to identify what information is important online, and to use technology as a tool to showcase their skills and talents. Learning experiences are made richer by the appropriate use of technology and these skills are directly transferable to all aspects of learning at the school. Digital literacy has evolved beyond the basic computing skills and require our students to develop to know how to access, analyse, create and share information with target audiences using different tools and platforms. At The Grange, we have introduced a Coding curriculum using Scratch developed by MIT. This initiative aligns with our Cre8tors-in-Action educational philosophy where we believe this is an invaluable skill that the students can take into the future workplace.

The Grange Institution therefore requires that teachers:

  • incorporate technology where authentic opportunities exist within the learning process
  • use technology responsibly so that its usage does not isolate students and limit important socialisation and interactions between the students and their peers
  • be mindful of the amount of time students devote to the use of electronic screen time in their planning and execution of the lessons
  • teach students not just how to use, but also when to use technology
  • expose students to a range of digital apps and tools they can use to make them better digital communicators

Languages Policy

We aim to provide a language-rich environment where opportunities are provided for students to develop their full potential in English, as well as an additional language.

ISS International Academy is committed to:

  • ensure that English, being the primary language of instruction, is used as the main language of communication not just for instructional purposes but for interaction purposes between the school, students and parents
  • provide additional English language support for students who need to rapidly improve their English in order to access our curriculum and to benefit from it
  • provide in addition to the learning of English, the opportunity for all students to either learn Mandarin as a foreign language, or for our native Japanese students to continue to maintain their Japanese mother tongue acquisition
  • seek effective and valid ways to benchmark the proficiency levels of our students in their language acquisition and to use the assessment data to continually improve the standard of our language programs to specific student needs, thus enabling students to progress at their optimal rate.

Specifically, at ISS

  • All students will be continually assessed on their Reading skills through the PM Benchmark system, and assessed on their Writing ability through a series of writing assessments throughout the year.
  • Students in the Additional English Language programme will be continually assessed on their Vocabulary using the Dolch List and their Reading skills through the PM Benchmark system.
  • Students in the Mandarin Foreign Language programme will be assessed annually using the Youth Chinese Test (YCT) which is an external benchmarking assessment.

Assessment Policy

Assessment is a tool to support and promote student learning and to accurately report student achievement. We believe that students and parents are entitled to consistent, valid and reliable assessment information across all year levels and subjects.

ISS International Academy therefore requires that teachers:

  •  inform students and parents as to how student work is to be assessed
  • maintain detailed assessment records and use these to provide valid student progress information to students and parents, both ongoing and at times of formal reporting
  • use a range of assessment tools, selecting practices that best promote student learning
  • structure assessments to allow all students to demonstrate their personal level of achievement and progress
  • value individual student assessment data and adapt classroom planning, teaching and learning in response to the data

Over time, the school will:

  • develop success criteria and use performance rubrics for common tasks so that teachers can standardise assessment grading
  • maintain and use assessment data for student tracking and reporting and also for further curriculum planning and delivery.

Language Option


At The Grange, we believe that technology is an integral tool that supports learning in the classroom. We hope to develop students’ digital literacy and to become skilful at using technology for communication – to access information, collect and record information, analyse data to synthesise information, and then to present information, thinking about the purpose and the audience – and for Coding. Internet safety and cyber etiquette are also important knowledge and skills we want to impart to students.


The Music curriculum is organised around the learning strands of Music Theory, Appreciation, and Performance. Where authentic opportunities arise, our Music curriculum makes interdisciplinary links with the IPC Units of Learning. We hope to inspire students to see music as an important common language through which humans communicate our emotions, ideas, identity, rituals and culture. Through our music education, we hope our students will see more similarities between people instead of differences. The Music curriculum provides an excellent platform for the students to develop their 8 IPC Personal Learning Goals and important 21st century skills.


Art at The Grange develops students’ appreciation and understanding that Art is a powerful mode of communication through which students explore and construct a sense of self and develop an understanding of the world around them. Art provides students with a range of opportunities and means to respond to their experiences and engage with historical, social and cultural perspectives. The students are stimulated to think and to articulate their thoughts in new ways and through a variety of media and technologies. Art develops the whole child, promotes creativity, critical problem-solving skills and social interaction. The curriculum is organised around the learning strands of Art Techniques, Appreciation, and Expression. Where authentic opportunities arise, our Art curriculum makes interdisciplinary links with the IPC Units of Learning. The curriculum provides an excellent platform for the students to develop the 8 IPC Personal Learning Goals and important 21st century skills.

Personal, Social, Physical Education

International Learning Goals

The IPC is unique in defining learning goals that help young students begin the move towards an increasingly sophisticated national, international, global and intercultural perspective. Each IPC unit has embedded within it, learning-focused activities that help students gain an increasing sense of themselves, their community and the world around them, whilst developing the capacity to take action and to make a difference.

Personal Learning Goals

The personal goals refer to those individual qualities and dispositions we believe students will find essential in the 21st century. There are eight IPC personal goals: Adaptability, Communication, Cooperation, Enquiry, Morality, Resilience, Respect and Thoughtfulness. Opportunities to experience and practice these very specific dispositions are built into the learning tasks within each unit of work. In addition, we aim to help students.

Subject Learning Goals

The subject goals cover the knowledge, skills and understanding that students should learn in Science, History, Geography, ICT and Computing, Technology, Music, Art, PE, Society, International, Language and Mathematics. These subjects are built into the different thematic units of work, where they work independently yet interdependently with each other so that children can talk about their learning through multiple perspectives.

IPC Units of Learning Matrix Goals

Cambridge Primary Science

The Cambridge Primary Science Curriculum is presented in four content areas: Scientific enquiry, Biology, Chemistry and Physics. Scientific enquiry is about considering ideas, evaluating evidence, planning investigative work and recording and analysing data. The Scientific enquiry objectives underpin Biology, Chemistry and Physics, which are focused on developing confidence and interest in scientific knowledge. Environmental awareness and some history of science are also incorporated.

Cambridge Primary Mathematics

The Cambridge Primary Mathematics Curriculum is presented in five content areas: Number, Geometry, Measure, Handling Data and Problem Solving. The first four content areas are all underpinned by Problem Solving, which describes using techniques and skills and the application of understanding and strategies in solving problems. Mental strategies are also a key part of the Number content. This curriculum focuses on principles, patterns, systems, functions and relationships so that learners can apply their mathematical knowledge and develop a holistic understanding of the subject.

Cambridge Primary English

The Cambridge Primary English Curriculum Framework promotes an enquiry-based approach to learning to develop learners’ confidence, creativity and intellectual engagement. The framework covers knowledge, skills and understanding in the three strands, Reading, Writing, and Speaking and Listening.