You dont have to be feel guilty about it. I can understand that non - Western countries dont teach Western (or German) history.
In Germany we didnt talk about India as part of the British empire. My scarce knowledge is based on talks with an Indian friend and Wikipedia.
Also there are many many genocides unfortunately.
Honestly, I find both of these anecdotes a little mind-boggling, although it may also be a function of my attending school relatively recently. The vast majority of history lessons in my secondary/high school (IB curriculum) were about overseas regions, including comparative studies of single-party states in the "West" and the "East," colonialism, etc.
You see you have a different goal of education.
I for example value more regional history as it is something I can connect to. Also high school is superficial and global topics are superficial as well.
IB meaning International Baccalaureate? That might explain a more international outlook.
The average German history curriculum tends to cover topics with a German-specific lens. E.g. comparison of single-party regimes will likely involve the NSDAP and SED, colonialism may feature British India in a sidebar but mostly talk about German colonies in Africa, the Berlin Conference, Herero genocide etc. (German New Guinea and the other Pacific colonies seem to get less attention for some reason.)
The genocides are, why a country splitting to release a ethnic group, is something to celebrate. Less chance of that to happen. Pakistan/India seperation comes to mind. Its better to seperate halfway peacefully, then stay together and then get the great murdering during some more despotic moments in history. Can still form something like the european union, to not be bullied by the great bullies.
Its of course, orthogonal to multi culturalism as a ideology, but all the melting pots without a constant economic flame, imploded into civil war (libannon, jugoslavia) or turned into brutal centralist empires (russia, etc.).
> non - Western countries dont teach Western (or German) history
In general they do because history is human history, not just some country's history, and it would pretty appalling to gloss over genocides of that magnitude.