Angular distributions for the elastic and inelastic scattering of 800 MeV protons from 24Mg are presented. Results of distorted-wave Born-approximation (DWBA) and coupled-channels (CC) analyses of the data for the 0+1, 2+1, 4+1, and 6+1 members of the ground state rotational band, the 2+2, 3+2, 4+2, and 5+2 members of the γ band and the 0+ member of the β band are discussed, and the effects of ground state deformation and multistep contributions are assessed. The DWBA calculations for the 4+1 and 6+1 angular distributions fail to even qualitatively reproduce the data, while a CC calculation, using a symmetric rotator model with quadrupole and hexadecapole ground state deformations, provides good fits for the 0+1, 2+1, and 4+1 angular distributions. A CC calculation in which the ground band is coupled to the γ band, with an assumed asymmetric vibrational amplitude, gives a fair fit to the data for the 2+2 state, but fails to fit the 3+2, 4+2, and 5+2 data. This failure in the calculation may be due to the lack of a direct step to the 4+2 state, as well as neglect of the spin-flip process. The result of coupling the ground band with the 6.43 MeV 0+β state indicates that this axially symmetric deformed vibrational model may be essentially correct, but also seems to indicate that a direct 0+1-0+β step needs to be considered, based on the behavior of the forward angle 0+β data. Additional coupling of a 2+β state does not dramatically improve the fit to the 0+β data. The results obtained here from analyses of the 800 MeV data are compared with those obtained through analyses of lower energy data. NUCLEAR REACTIONS 24Mg(p,p') E=0.8 GeV, measured σ(θ) enriched target; resolution >= 80 keV, θcm=8° to 32°, Δθ=0.1°. Optical model potential, DWBA analysis, coupled-channels analysis, symmetric and asymmetric rotator model, coupling parameters.