A novel cost-effective, eco-friendly clay composite adsorbent was developed towards fluoride remediation. Clay, Grog, Bone char, and Sawdust were dry mixed within volume ratios of (5:1:1:1), (4:2:2:1), and (3:3:3:1), respectively. The powders were mixed again with distilled water, pressed with disc shape; sun dried for three days and fired for one hour in the muffle furnace at 400^oC, 500^oC, and 600^oC. The cooled discs were ground and sieved to obtain nine different composite powdered with particle size less than 1.18 mm.  The developed composite adsorbent was characterized using advanced techniques: XRD, SEM, and FT-IR. The adsorption studies showed that among the developed adsorbents, composite with the volume ratio of (3:3:3:1) and optimized at firing temperature of 400°C exhibited maximum adsorption capacities of 91.6% fluoride removal efficiency. The XRD analysis revealed mixed phases in the composite, and the presence of OH^¯ functional groups was indicated by FT-IR analysis. The experimental results indicated that the Langmuir model was found to fit better for the removal of fluoride ion and followed the pseudo-second-order rate equation. The composite clay material exhibited excellent removal efficiency for the real water samples analyzed.