The utilisation of mineral admixtures such as ceramic dust, fly ash, and metakoline, amongst others, will result in the production of high-performance concrete. The effect that the percentage of ceramic dust and polypropylene fibre has on the mechanical properties of concrete has been investigated in this study. The purpose of this research was to investigate what happened when ceramic dust, polypropylene fibres, or a combination of the two were used to substitute cement in cement concrete. Ceramic dust content was varied as 5%, 10%, 15%, and 20% by weight replacement of cement, and polypropylene fibre was varied as 0.25%, 0.50%, 0.75%, and 1.0% by weight replacement of cement in order to investigate the effects of these two additives on the workability, compressive strength, and split tensile strength of concrete after 7, 28, and 90 days of curing time. The performance of the concrete in terms of its mechanical qualities was improved manyfolds with the addition of polypropylene fibres and ceramic dust; however, the results are astonishing when both types of additives are used together.