Joseph Gitau portrait

Joseph Gitau

Mathematics Teacher · IB MYP & DP · Cambridge IGCSE · A-Level Ready

Professional Summary

Dedicated and results-driven Mathematics teacher with 15+ years of international school experience across the British (IGCSE/Cambridge) and International Baccalaureate (MYP & Diploma) curricula. Currently teaching IB Diploma Applications & Interpretation Mathematics (SL & HL) and IB MYP Mathematics, while serving as Personal Project Coordinator at Westwood International School, Botswana. Proven ability to deliver outstanding results — including a 100% IGCSE Physics pass rate, a record-breaking MYP e-Assessment mean grade, and a Personal Project cohort with all students scoring above 4 and one achieving the maximum score of 7. Built ibtopmark.com, an independent ed-tech platform for IB e-assessment practice. Enthusiastic, organised, and committed to student-centred excellence.

Teaching Experience

IB MYP & DP Mathematics Teacher | Personal Project Coordinator

January 2021 – Present

Westwood International School, Gaborone, Botswana

  • Teach IB Diploma Applications & Interpretation Mathematics SL & HL to Year 12–13 students
  • Teach IB MYP Mathematics to Year 7–11; achieved the best MYP e-Assessment mean grade in over 8 years (school average 4.28 vs world average 3.2) in 2023
  • Personal Project Coordinator for 2 years: 100% pass rate, all students above 4, one student achieved the maximum score of 7
  • Built and maintain ibtopmark.com — a self-funded online platform with IB e-assessment and past-paper practice questions
  • Integrated MAP assessment data with Khan Academy to create personalised learning pathways for every student
  • Established the school's Math Olympiad programme (Kangaroo Maths, University of Witwatersrand, Junior & Senior Olympiad); two students competed internationally in China and Japan
  • Proficient in ManageBac LMS and ICT-integrated teaching across the department
  • Chess Club Coach (2022, 2023, 2024)

IGCSE Physics & Mathematics Teacher

September 2012 – December 2021

Rainbow High School, Gaborone, Botswana

  • Delivered Cambridge IGCSE Physics and Mathematics to Years 7–13, including Extended (Advanced) Physics
  • Achieved a 100% IGCSE Physics pass rate with 75% of students earning Grade A — recognised as the school's best-performing teacher
  • Organised Science Congress, Junior Science Olympiad, and Robotics; two students represented Botswana at the 2018 International Science Olympiad in Qatar
  • Introduced and trained all teaching staff on Google for Education during COVID-19, enabling uninterrupted online learning
  • Participated in Cambridge IGCSE Physics (0625) Extension professional development (Cambridge Assessment International Education, March 2019)

Volunteer General Science Teacher

January 2012 – August 2012

Young Women Christian Association (YWCA), Gaborone, Botswana

  • Taught General Science and Human & Social Biology to disadvantaged and adult evening learners
  • Provided extra academic support outside class hours, improving learner pass rates

Private Mathematics & Science Tutor

January 2011 – December 2011

Kalahari Education Services, Gaborone, Botswana

  • One-to-one tutoring improving student test scores by up to 80% through targeted intervention

Temporary Physics Teacher

January 2009 – June 2010

Muongoiya Secondary School, Nairobi, Kenya

  • Taught Physics (Years 9–12) within the Kenya Certificate of Secondary Education (KCSE) curriculum
  • Raised Science Congress national competition performance by 20%

Education

Master of Arts in Education

2018 – 2020

UNICAF University, Lilongwe, Malawi

Teaching & Learning Management, ICT in Education, Analysis of Learning Disabilities, Research Methods & Dissertation

Bachelor of Education Science — Physics & Mathematics

2004 – 2008

Kenyatta University, Nairobi, Kenya

Professional teaching qualifications in Physics and Mathematics

Professional Development & Certifications

CertificationAwarding BodyDate
IB DP Mathematics: Applications & Interpretation — Category 2IB Professional Development (Online)March 2023
IB MYP Mathematics — Category 2IB Professional Development (Online)May 2023
Cambridge IGCSE Physics (0625) ExtensionCambridge Assessment International EducationMarch 2019
Training in Support for Learning — Inclusive ClassroomIB / School-BasedOngoing

Key Achievements

Best MYP e-Assessment mean grade in 8+ years (school 4.28 vs world avg 3.2)

Personal Project: 100% pass rate — one student scored maximum 7

100% IGCSE Physics pass rate; 75% of students Grade A

Students represented Botswana internationally in Qatar, China & Japan

Built ibtopmark.com — independent IB ed-tech platform

Led Google for Education rollout across an entire school during COVID-19

Skills & Competencies

Curricula

Cambridge IGCSE/A-Level (British National Curriculum), IB MYP, IB Diploma

Subjects

Mathematics (all levels), Physics, General Science

Technology

ManageBac, Khan Academy, Google Workspace for Education, Microsoft Office, Web Development (ibtopmark.com)

Teaching Approaches

Differentiated instruction, inquiry-based learning, student-centred teaching, formative & summative assessment design

Leadership

Personal Project Coordinator, Math Olympiad Director, Chess Coach, Curriculum Planning

Languages

English (fluent), Swahili (fluent), Kikuyu (native)

References

Crawford Mandumbwa

Former DP Coordinator, Westwood International School

cmandumbwa@westwood.ac.bw

+267-75512909

Dorothy Tsalwa

Secondary Principal, Westwood International School

dotsalwa@westwood.ac.bw

+254-718575674

Mr Parfait

Principal, Westwood International School

+1 (240) 308-2586

Mr Mipata

Deputy Principal, Rainbow High School

+267-76280105